501358240

素因数分解:

$2^5\times 5^1\times {\mathrm{1381}}^1\times {\mathrm{2269}}^1$

素因数の和:3665

約数の個数: 48

約数和(自身を含む): 1185838920

約数和(自身を除く): 684480680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 1381, 2269, 2762, 4538, 5524, 6905, 9076, 11048, 11345, 13810, 18152, 22096, 22690, 27620, 36304, 44192, 45380, 55240, 72608, 90760, 110480, 181520, 220960, 363040, 3133489, 6266978, 12533956, 15667445, 25067912, 31334890, 50135824, 62669780, 100271648, 125339560, 250679120, 501358240]

約数ペア:

[(1, 501358240), (2, 250679120), (4, 125339560), (5, 100271648), (8, 62669780), (10, 50135824), (16, 31334890), (20, 25067912), (32, 15667445), (40, 12533956), (80, 6266978), (160, 3133489), (1381, 363040), (2269, 220960), (2762, 181520), (4538, 110480), (5524, 90760), (6905, 72608), (9076, 55240), (11048, 45380), (11345, 44192), (13810, 36304), (18152, 27620), (22096, 22690)]