200728940

素因数分解:

$2^2\times 5^1\times {\mathrm{1637}}^1\times {\mathrm{6131}}^1$

素因数の和:7777

約数の個数: 24

約数和(自身を含む): 421857072

約数和(自身を除く): 221128132

約数列:

[1, 2, 4, 5, 10, 20, 1637, 3274, 6131, 6548, 8185, 12262, 16370, 24524, 30655, 32740, 61310, 122620, 10036447, 20072894, 40145788, 50182235, 100364470, 200728940]

約数ペア:

[(1, 200728940), (2, 100364470), (4, 50182235), (5, 40145788), (10, 20072894), (20, 10036447), (1637, 122620), (3274, 61310), (6131, 32740), (6548, 30655), (8185, 24524), (12262, 16370)]