71876740

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{276449}}^1$

素因数の和:276471

約数の個数: 24

約数和(自身を含む): 162552600

約数和(自身を除く): 90675860

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 276449, 552898, 1105796, 1382245, 2764490, 3593837, 5528980, 7187674, 14375348, 17969185, 35938370, 71876740]

約数ペア:

[(1, 71876740), (2, 35938370), (4, 17969185), (5, 14375348), (10, 7187674), (13, 5528980), (20, 3593837), (26, 2764490), (52, 1382245), (65, 1105796), (130, 552898), (260, 276449)]