25575460

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{16187}}^1$

素因数の和:16275

約数の個数: 24

約数和(自身を含む): 54391680

約数和(自身を除く): 28816220

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 316, 395, 790, 1580, 16187, 32374, 64748, 80935, 161870, 323740, 1278773, 2557546, 5115092, 6393865, 12787730, 25575460]

約数ペア:

[(1, 25575460), (2, 12787730), (4, 6393865), (5, 5115092), (10, 2557546), (20, 1278773), (79, 323740), (158, 161870), (316, 80935), (395, 64748), (790, 32374), (1580, 16187)]