72405440

素因数分解:

$2^6\times 5^1\times {\mathrm{226267}}^1$

素因数の和:226284

約数の個数: 28

約数和(自身を含む): 172416216

約数和(自身を除く): 100010776

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 226267, 452534, 905068, 1131335, 1810136, 2262670, 3620272, 4525340, 7240544, 9050680, 14481088, 18101360, 36202720, 72405440]

約数ペア:

[(1, 72405440), (2, 36202720), (4, 18101360), (5, 14481088), (8, 9050680), (10, 7240544), (16, 4525340), (20, 3620272), (32, 2262670), (40, 1810136), (64, 1131335), (80, 905068), (160, 452534), (320, 226267)]