25704790

素因数分解:

$2^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{42139}}^1$

素因数の和:42207

約数の個数: 16

約数和(自身を含む): 47028240

約数和(自身を除く): 21323450

約数列:

[1, 2, 5, 10, 61, 122, 305, 610, 42139, 84278, 210695, 421390, 2570479, 5140958, 12852395, 25704790]

約数ペア:

[(1, 25704790), (2, 12852395), (5, 5140958), (10, 2570479), (61, 421390), (122, 210695), (305, 84278), (610, 42139)]