1630385140

素因数分解:

$2^2\times 5^1\times {\mathrm{491}}^1\times {\mathrm{166027}}^1$

素因数の和:166527

約数の個数: 24

約数和(自身を含む): 3430802592

約数和(自身を除く): 1800417452

約数列:

[1, 2, 4, 5, 10, 20, 491, 982, 1964, 2455, 4910, 9820, 166027, 332054, 664108, 830135, 1660270, 3320540, 81519257, 163038514, 326077028, 407596285, 815192570, 1630385140]

約数ペア:

[(1, 1630385140), (2, 815192570), (4, 407596285), (5, 326077028), (10, 163038514), (20, 81519257), (491, 3320540), (982, 1660270), (1964, 830135), (2455, 664108), (4910, 332054), (9820, 166027)]