25250020

素因数分解:

$2^2\times 5^1\times {\mathrm{701}}^1\times {\mathrm{1801}}^1$

素因数の和:2511

約数の個数: 24

約数和(自身を含む): 53130168

約数和(自身を除く): 27880148

約数列:

[1, 2, 4, 5, 10, 20, 701, 1402, 1801, 2804, 3505, 3602, 7010, 7204, 9005, 14020, 18010, 36020, 1262501, 2525002, 5050004, 6312505, 12625010, 25250020]

約数ペア:

[(1, 25250020), (2, 12625010), (4, 6312505), (5, 5050004), (10, 2525002), (20, 1262501), (701, 36020), (1402, 18010), (1801, 14020), (2804, 9005), (3505, 7204), (3602, 7010)]