25244020

素因数分解:

$2^2\times 5^1\times {\mathrm{887}}^1\times {\mathrm{1423}}^1$

素因数の和:2319

約数の個数: 24

約数和(自身を含む): 53109504

約数和(自身を除く): 27865484

約数列:

[1, 2, 4, 5, 10, 20, 887, 1423, 1774, 2846, 3548, 4435, 5692, 7115, 8870, 14230, 17740, 28460, 1262201, 2524402, 5048804, 6311005, 12622010, 25244020]

約数ペア:

[(1, 25244020), (2, 12622010), (4, 6311005), (5, 5048804), (10, 2524402), (20, 1262201), (887, 28460), (1423, 17740), (1774, 14230), (2846, 8870), (3548, 7115), (4435, 5692)]