25108590

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{64381}}^1$

素因数の和:64404

約数の個数: 32

約数和(自身を含む): 64897056

約数和(自身を除く): 39788466

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 64381, 128762, 193143, 321905, 386286, 643810, 836953, 965715, 1673906, 1931430, 2510859, 4184765, 5021718, 8369530, 12554295, 25108590]

約数ペア:

[(1, 25108590), (2, 12554295), (3, 8369530), (5, 5021718), (6, 4184765), (10, 2510859), (13, 1931430), (15, 1673906), (26, 965715), (30, 836953), (39, 643810), (65, 386286), (78, 321905), (130, 193143), (195, 128762), (390, 64381)]