72643180

素因数分解:

$2^2\times 5^1\times {\mathrm{113}}^1\times {\mathrm{32143}}^1$

素因数の和:32265

約数の個数: 24

約数和(自身を含む): 153905472

約数和(自身を除く): 81262292

約数列:

[1, 2, 4, 5, 10, 20, 113, 226, 452, 565, 1130, 2260, 32143, 64286, 128572, 160715, 321430, 642860, 3632159, 7264318, 14528636, 18160795, 36321590, 72643180]

約数ペア:

[(1, 72643180), (2, 36321590), (4, 18160795), (5, 14528636), (10, 7264318), (20, 3632159), (113, 642860), (226, 321430), (452, 160715), (565, 128572), (1130, 64286), (2260, 32143)]