157335940

素因数分解:

$2^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{81101}}^1$

素因数の和:81207

約数の個数: 24

約数和(自身を含む): 333815832

約数和(自身を除く): 176479892

約数列:

[1, 2, 4, 5, 10, 20, 97, 194, 388, 485, 970, 1940, 81101, 162202, 324404, 405505, 811010, 1622020, 7866797, 15733594, 31467188, 39333985, 78667970, 157335940]

約数ペア:

[(1, 157335940), (2, 78667970), (4, 39333985), (5, 31467188), (10, 15733594), (20, 7866797), (97, 1622020), (194, 811010), (388, 405505), (485, 324404), (970, 162202), (1940, 81101)]