13311957380

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{21470899}}^1$

素因数の和:21470939

約数の個数: 24

約数和(自身を含む): 28856889600

約数和(自身を除く): 15544932220

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 21470899, 42941798, 85883596, 107354495, 214708990, 429417980, 665597869, 1331195738, 2662391476, 3327989345, 6655978690, 13311957380]

約数ペア:

[(1, 13311957380), (2, 6655978690), (4, 3327989345), (5, 2662391476), (10, 1331195738), (20, 665597869), (31, 429417980), (62, 214708990), (124, 107354495), (155, 85883596), (310, 42941798), (620, 21470899)]