202365640

素因数分解:

$2^3\times 5^1\times {\mathrm{1621}}^1\times {\mathrm{3121}}^1$

素因数の和:4753

約数の個数: 32

約数和(自身を含む): 455749560

約数和(自身を除く): 253383920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1621, 3121, 3242, 6242, 6484, 8105, 12484, 12968, 15605, 16210, 24968, 31210, 32420, 62420, 64840, 124840, 5059141, 10118282, 20236564, 25295705, 40473128, 50591410, 101182820, 202365640]

約数ペア:

[(1, 202365640), (2, 101182820), (4, 50591410), (5, 40473128), (8, 25295705), (10, 20236564), (20, 10118282), (40, 5059141), (1621, 124840), (3121, 64840), (3242, 62420), (6242, 32420), (6484, 31210), (8105, 24968), (12484, 16210), (12968, 15605)]