40472980

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{2251}}^1$

素因数の和:2320

約数の個数: 48

約数和(自身を含む): 90800640

約数和(自身を除く): 50327660

約数列:

[1, 2, 4, 5, 10, 20, 29, 31, 58, 62, 116, 124, 145, 155, 290, 310, 580, 620, 899, 1798, 2251, 3596, 4495, 4502, 8990, 9004, 11255, 17980, 22510, 45020, 65279, 69781, 130558, 139562, 261116, 279124, 326395, 348905, 652790, 697810, 1305580, 1395620, 2023649, 4047298, 8094596, 10118245, 20236490, 40472980]

約数ペア:

[(1, 40472980), (2, 20236490), (4, 10118245), (5, 8094596), (10, 4047298), (20, 2023649), (29, 1395620), (31, 1305580), (58, 697810), (62, 652790), (116, 348905), (124, 326395), (145, 279124), (155, 261116), (290, 139562), (310, 130558), (580, 69781), (620, 65279), (899, 45020), (1798, 22510), (2251, 17980), (3596, 11255), (4495, 9004), (4502, 8990)]