166000000

素因数分解:

$2^7\times 5^6\times {\mathrm{83}}^1$

素因数の和:127

約数の個数: 112

約数和(自身を含む): 418354020

約数和(自身を除く): 252354020

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 83, 100, 125, 128, 160, 166, 200, 250, 320, 332, 400, 415, 500, 625, 640, 664, 800, 830, 1000, 1250, 1328, 1600, 1660, 2000, 2075, 2500, 2656, 3125, 3200, 3320, 4000, 4150, 5000, 5312, 6250, 6640, 8000, 8300, 10000, 10375, 10624, 12500, 13280, 15625, 16000, 16600, 20000, 20750, 25000, 26560, 31250, 33200, 40000, 41500, 50000, 51875, 53120, 62500, 66400, 80000, 83000, 100000, 103750, 125000, 132800, 166000, 200000, 207500, 250000, 259375, 265600, 332000, 400000, 415000, 500000, 518750, 664000, 830000, 1000000, 1037500, 1296875, 1328000, 1660000, 2000000, 2075000, 2593750, 3320000, 4150000, 5187500, 6640000, 8300000, 10375000, 16600000, 20750000, 33200000, 41500000, 83000000, 166000000]

約数ペア:

[(1, 166000000), (2, 83000000), (4, 41500000), (5, 33200000), (8, 20750000), (10, 16600000), (16, 10375000), (20, 8300000), (25, 6640000), (32, 5187500), (40, 4150000), (50, 3320000), (64, 2593750), (80, 2075000), (83, 2000000), (100, 1660000), (125, 1328000), (128, 1296875), (160, 1037500), (166, 1000000), (200, 830000), (250, 664000), (320, 518750), (332, 500000), (400, 415000), (415, 400000), (500, 332000), (625, 265600), (640, 259375), (664, 250000), (800, 207500), (830, 200000), (1000, 166000), (1250, 132800), (1328, 125000), (1600, 103750), (1660, 100000), (2000, 83000), (2075, 80000), (2500, 66400), (2656, 62500), (3125, 53120), (3200, 51875), (3320, 50000), (4000, 41500), (4150, 40000), (5000, 33200), (5312, 31250), (6250, 26560), (6640, 25000), (8000, 20750), (8300, 20000), (10000, 16600), (10375, 16000), (10624, 15625), (12500, 13280)]