417820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1607}}^1$

素因数の和:1629

約数の個数: 24

約数和(自身を含む): 945504

約数和(自身を除く): 527684

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 1607, 3214, 6428, 8035, 16070, 20891, 32140, 41782, 83564, 104455, 208910, 417820]

約数ペア:

[(1, 417820), (2, 208910), (4, 104455), (5, 83564), (10, 41782), (13, 32140), (20, 20891), (26, 16070), (52, 8035), (65, 6428), (130, 3214), (260, 1607)]