80046400

素因数分解:

$2^6\times 5^2\times 7^2\times {\mathrm{1021}}^1$

素因数の和:1057

約数の個数: 126

約数和(自身を含む): 229345998

約数和(自身を除く): 149299598

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 32, 35, 40, 49, 50, 56, 64, 70, 80, 98, 100, 112, 140, 160, 175, 196, 200, 224, 245, 280, 320, 350, 392, 400, 448, 490, 560, 700, 784, 800, 980, 1021, 1120, 1225, 1400, 1568, 1600, 1960, 2042, 2240, 2450, 2800, 3136, 3920, 4084, 4900, 5105, 5600, 7147, 7840, 8168, 9800, 10210, 11200, 14294, 15680, 16336, 19600, 20420, 25525, 28588, 32672, 35735, 39200, 40840, 50029, 51050, 57176, 65344, 71470, 78400, 81680, 100058, 102100, 114352, 142940, 163360, 178675, 200116, 204200, 228704, 250145, 285880, 326720, 357350, 400232, 408400, 457408, 500290, 571760, 714700, 800464, 816800, 1000580, 1143520, 1250725, 1429400, 1600928, 1633600, 2001160, 2287040, 2501450, 2858800, 3201856, 4002320, 5002900, 5717600, 8004640, 10005800, 11435200, 16009280, 20011600, 40023200, 80046400]

約数ペア:

[(1, 80046400), (2, 40023200), (4, 20011600), (5, 16009280), (7, 11435200), (8, 10005800), (10, 8004640), (14, 5717600), (16, 5002900), (20, 4002320), (25, 3201856), (28, 2858800), (32, 2501450), (35, 2287040), (40, 2001160), (49, 1633600), (50, 1600928), (56, 1429400), (64, 1250725), (70, 1143520), (80, 1000580), (98, 816800), (100, 800464), (112, 714700), (140, 571760), (160, 500290), (175, 457408), (196, 408400), (200, 400232), (224, 357350), (245, 326720), (280, 285880), (320, 250145), (350, 228704), (392, 204200), (400, 200116), (448, 178675), (490, 163360), (560, 142940), (700, 114352), (784, 102100), (800, 100058), (980, 81680), (1021, 78400), (1120, 71470), (1225, 65344), (1400, 57176), (1568, 51050), (1600, 50029), (1960, 40840), (2042, 39200), (2240, 35735), (2450, 32672), (2800, 28588), (3136, 25525), (3920, 20420), (4084, 19600), (4900, 16336), (5105, 15680), (5600, 14294), (7147, 11200), (7840, 10210), (8168, 9800)]