71709980

素因数分解:

$2^2\times 5^1\times {\mathrm{1063}}^1\times {\mathrm{3373}}^1$

素因数の和:4445

約数の個数: 24

約数和(自身を含む): 150777312

約数和(自身を除く): 79067332

約数列:

[1, 2, 4, 5, 10, 20, 1063, 2126, 3373, 4252, 5315, 6746, 10630, 13492, 16865, 21260, 33730, 67460, 3585499, 7170998, 14341996, 17927495, 35854990, 71709980]

約数ペア:

[(1, 71709980), (2, 35854990), (4, 17927495), (5, 14341996), (10, 7170998), (20, 3585499), (1063, 67460), (2126, 33730), (3373, 21260), (4252, 16865), (5315, 13492), (6746, 10630)]