201303980

素因数分解:

$2^2\times 5^1\times {\mathrm{521}}^1\times {\mathrm{19319}}^1$

素因数の和:19849

約数の個数: 24

約数和(自身を含む): 423571680

約数和(自身を除く): 222267700

約数列:

[1, 2, 4, 5, 10, 20, 521, 1042, 2084, 2605, 5210, 10420, 19319, 38638, 77276, 96595, 193190, 386380, 10065199, 20130398, 40260796, 50325995, 100651990, 201303980]

約数ペア:

[(1, 201303980), (2, 100651990), (4, 50325995), (5, 40260796), (10, 20130398), (20, 10065199), (521, 386380), (1042, 193190), (2084, 96595), (2605, 77276), (5210, 38638), (10420, 19319)]