66661580

素因数分解:

$2^2\times 5^1\times {\mathrm{523}}^1\times {\mathrm{6373}}^1$

素因数の和:6905

約数の個数: 24

約数和(自身を含む): 140278992

約数和(自身を除く): 73617412

約数列:

[1, 2, 4, 5, 10, 20, 523, 1046, 2092, 2615, 5230, 6373, 10460, 12746, 25492, 31865, 63730, 127460, 3333079, 6666158, 13332316, 16665395, 33330790, 66661580]

約数ペア:

[(1, 66661580), (2, 33330790), (4, 16665395), (5, 13332316), (10, 6666158), (20, 3333079), (523, 127460), (1046, 63730), (2092, 31865), (2615, 25492), (5230, 12746), (6373, 10460)]