81340000

素因数分解:

$2^5\times 5^4\times 7^2\times {\mathrm{83}}^1$

素因数の和:127

約数の個数: 180

約数和(自身を含む): 235583964

約数和(自身を除く): 154243964

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 32, 35, 40, 49, 50, 56, 70, 80, 83, 98, 100, 112, 125, 140, 160, 166, 175, 196, 200, 224, 245, 250, 280, 332, 350, 392, 400, 415, 490, 500, 560, 581, 625, 664, 700, 784, 800, 830, 875, 980, 1000, 1120, 1162, 1225, 1250, 1328, 1400, 1568, 1660, 1750, 1960, 2000, 2075, 2324, 2450, 2500, 2656, 2800, 2905, 3320, 3500, 3920, 4000, 4067, 4150, 4375, 4648, 4900, 5000, 5600, 5810, 6125, 6640, 7000, 7840, 8134, 8300, 8750, 9296, 9800, 10000, 10375, 11620, 12250, 13280, 14000, 14525, 16268, 16600, 17500, 18592, 19600, 20000, 20335, 20750, 23240, 24500, 28000, 29050, 30625, 32536, 33200, 35000, 39200, 40670, 41500, 46480, 49000, 51875, 58100, 61250, 65072, 66400, 70000, 72625, 81340, 83000, 92960, 98000, 101675, 103750, 116200, 122500, 130144, 140000, 145250, 162680, 166000, 196000, 203350, 207500, 232400, 245000, 290500, 325360, 332000, 363125, 406700, 415000, 464800, 490000, 508375, 581000, 650720, 726250, 813400, 830000, 980000, 1016750, 1162000, 1452500, 1626800, 1660000, 2033500, 2324000, 2541875, 2905000, 3253600, 4067000, 5083750, 5810000, 8134000, 10167500, 11620000, 16268000, 20335000, 40670000, 81340000]

約数ペア:

[(1, 81340000), (2, 40670000), (4, 20335000), (5, 16268000), (7, 11620000), (8, 10167500), (10, 8134000), (14, 5810000), (16, 5083750), (20, 4067000), (25, 3253600), (28, 2905000), (32, 2541875), (35, 2324000), (40, 2033500), (49, 1660000), (50, 1626800), (56, 1452500), (70, 1162000), (80, 1016750), (83, 980000), (98, 830000), (100, 813400), (112, 726250), (125, 650720), (140, 581000), (160, 508375), (166, 490000), (175, 464800), (196, 415000), (200, 406700), (224, 363125), (245, 332000), (250, 325360), (280, 290500), (332, 245000), (350, 232400), (392, 207500), (400, 203350), (415, 196000), (490, 166000), (500, 162680), (560, 145250), (581, 140000), (625, 130144), (664, 122500), (700, 116200), (784, 103750), (800, 101675), (830, 98000), (875, 92960), (980, 83000), (1000, 81340), (1120, 72625), (1162, 70000), (1225, 66400), (1250, 65072), (1328, 61250), (1400, 58100), (1568, 51875), (1660, 49000), (1750, 46480), (1960, 41500), (2000, 40670), (2075, 39200), (2324, 35000), (2450, 33200), (2500, 32536), (2656, 30625), (2800, 29050), (2905, 28000), (3320, 24500), (3500, 23240), (3920, 20750), (4000, 20335), (4067, 20000), (4150, 19600), (4375, 18592), (4648, 17500), (4900, 16600), (5000, 16268), (5600, 14525), (5810, 14000), (6125, 13280), (6640, 12250), (7000, 11620), (7840, 10375), (8134, 10000), (8300, 9800), (8750, 9296)]