53281640

素因数分解:

$2^3\times 5^1\times {\mathrm{631}}^1\times {\mathrm{2111}}^1$

素因数の和:2753

約数の個数: 32

約数和(自身を含む): 120130560

約数和(自身を除く): 66848920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 631, 1262, 2111, 2524, 3155, 4222, 5048, 6310, 8444, 10555, 12620, 16888, 21110, 25240, 42220, 84440, 1332041, 2664082, 5328164, 6660205, 10656328, 13320410, 26640820, 53281640]

約数ペア:

[(1, 53281640), (2, 26640820), (4, 13320410), (5, 10656328), (8, 6660205), (10, 5328164), (20, 2664082), (40, 1332041), (631, 84440), (1262, 42220), (2111, 25240), (2524, 21110), (3155, 16888), (4222, 12620), (5048, 10555), (6310, 8444)]