201637640

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{162611}}^1$

素因数の和:162653

約数の個数: 32

約数和(自身を含む): 468322560

約数和(自身を除く): 266684920

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 162611, 325222, 650444, 813055, 1300888, 1626110, 3252220, 5040941, 6504440, 10081882, 20163764, 25204705, 40327528, 50409410, 100818820, 201637640]

約数ペア:

[(1, 201637640), (2, 100818820), (4, 50409410), (5, 40327528), (8, 25204705), (10, 20163764), (20, 10081882), (31, 6504440), (40, 5040941), (62, 3252220), (124, 1626110), (155, 1300888), (248, 813055), (310, 650444), (620, 325222), (1240, 162611)]