671651240

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1291637}}^1$

素因数の和:1291661

約数の個数: 32

約数和(自身を含む): 1627463880

約数和(自身を除く): 955812640

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 1291637, 2583274, 5166548, 6458185, 10333096, 12916370, 16791281, 25832740, 33582562, 51665480, 67165124, 83956405, 134330248, 167912810, 335825620, 671651240]

約数ペア:

[(1, 671651240), (2, 335825620), (4, 167912810), (5, 134330248), (8, 83956405), (10, 67165124), (13, 51665480), (20, 33582562), (26, 25832740), (40, 16791281), (52, 12916370), (65, 10333096), (104, 6458185), (130, 5166548), (260, 2583274), (520, 1291637)]