72887540

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{331307}}^1$

素因数の和:331327

約数の個数: 24

約数和(自身を含む): 166979232

約数和(自身を除く): 94091692

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 331307, 662614, 1325228, 1656535, 3313070, 3644377, 6626140, 7288754, 14577508, 18221885, 36443770, 72887540]

約数ペア:

[(1, 72887540), (2, 36443770), (4, 18221885), (5, 14577508), (10, 7288754), (11, 6626140), (20, 3644377), (22, 3313070), (44, 1656535), (55, 1325228), (110, 662614), (220, 331307)]