31244020

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{103}}^1\times {\mathrm{523}}^1$

素因数の和:664

約数の個数: 48

約数和(自身を含む): 68664960

約数和(自身を除く): 37420940

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 103, 116, 145, 206, 290, 412, 515, 523, 580, 1030, 1046, 2060, 2092, 2615, 2987, 5230, 5974, 10460, 11948, 14935, 15167, 29870, 30334, 53869, 59740, 60668, 75835, 107738, 151670, 215476, 269345, 303340, 538690, 1077380, 1562201, 3124402, 6248804, 7811005, 15622010, 31244020]

約数ペア:

[(1, 31244020), (2, 15622010), (4, 7811005), (5, 6248804), (10, 3124402), (20, 1562201), (29, 1077380), (58, 538690), (103, 303340), (116, 269345), (145, 215476), (206, 151670), (290, 107738), (412, 75835), (515, 60668), (523, 59740), (580, 53869), (1030, 30334), (1046, 29870), (2060, 15167), (2092, 14935), (2615, 11948), (2987, 10460), (5230, 5974)]