25316470

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{181}}^1\times {\mathrm{197}}^1$

素因数の和:456

約数の個数: 32

約数和(自身を含む): 46702656

約数和(自身を除く): 21386186

約数列:

[1, 2, 5, 10, 71, 142, 181, 197, 355, 362, 394, 710, 905, 985, 1810, 1970, 12851, 13987, 25702, 27974, 35657, 64255, 69935, 71314, 128510, 139870, 178285, 356570, 2531647, 5063294, 12658235, 25316470]

約数ペア:

[(1, 25316470), (2, 12658235), (5, 5063294), (10, 2531647), (71, 356570), (142, 178285), (181, 139870), (197, 128510), (355, 71314), (362, 69935), (394, 64255), (710, 35657), (905, 27974), (985, 25702), (1810, 13987), (1970, 12851)]