85961980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{330623}}^1$

素因数の和:330645

約数の個数: 24

約数和(自身を含む): 194406912

約数和(自身を除く): 108444932

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 330623, 661246, 1322492, 1653115, 3306230, 4298099, 6612460, 8596198, 17192396, 21490495, 42980990, 85961980]

約数ペア:

[(1, 85961980), (2, 42980990), (4, 21490495), (5, 17192396), (10, 8596198), (13, 6612460), (20, 4298099), (26, 3306230), (52, 1653115), (65, 1322492), (130, 661246), (260, 330623)]