2617640

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{2111}}^1$

素因数の和:2153

約数の個数: 32

約数和(自身を含む): 6082560

約数和(自身を除く): 3464920

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 2111, 4222, 8444, 10555, 16888, 21110, 42220, 65441, 84440, 130882, 261764, 327205, 523528, 654410, 1308820, 2617640]

約数ペア:

[(1, 2617640), (2, 1308820), (4, 654410), (5, 523528), (8, 327205), (10, 261764), (20, 130882), (31, 84440), (40, 65441), (62, 42220), (124, 21110), (155, 16888), (248, 10555), (310, 8444), (620, 4222), (1240, 2111)]