15872620

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{25601}}^1$

素因数の和:25641

約数の個数: 24

約数和(自身を含む): 34409088

約数和(自身を除く): 18536468

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 25601, 51202, 102404, 128005, 256010, 512020, 793631, 1587262, 3174524, 3968155, 7936310, 15872620]

約数ペア:

[(1, 15872620), (2, 7936310), (4, 3968155), (5, 3174524), (10, 1587262), (20, 793631), (31, 512020), (62, 256010), (124, 128005), (155, 102404), (310, 51202), (620, 25601)]