64603940

素因数分解:

$2^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{33301}}^1$

素因数の和:33407

約数の個数: 24

約数和(自身を含む): 137071032

約数和(自身を除く): 72467092

約数列:

[1, 2, 4, 5, 10, 20, 97, 194, 388, 485, 970, 1940, 33301, 66602, 133204, 166505, 333010, 666020, 3230197, 6460394, 12920788, 16150985, 32301970, 64603940]

約数ペア:

[(1, 64603940), (2, 32301970), (4, 16150985), (5, 12920788), (10, 6460394), (20, 3230197), (97, 666020), (194, 333010), (388, 166505), (485, 133204), (970, 66602), (1940, 33301)]