858463820

素因数分解:

$2^2\times 5^1\times {\mathrm{3323}}^1\times {\mathrm{12917}}^1$

素因数の和:16249

約数の個数: 24

約数和(自身を含む): 1803456144

約数和(自身を除く): 944992324

約数列:

[1, 2, 4, 5, 10, 20, 3323, 6646, 12917, 13292, 16615, 25834, 33230, 51668, 64585, 66460, 129170, 258340, 42923191, 85846382, 171692764, 214615955, 429231910, 858463820]

約数ペア:

[(1, 858463820), (2, 429231910), (4, 214615955), (5, 171692764), (10, 85846382), (20, 42923191), (3323, 258340), (6646, 129170), (12917, 66460), (13292, 64585), (16615, 51668), (25834, 33230)]