8730040

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19841}}^1$

素因数の和:19863

約数の個数: 32

約数和(自身を含む): 21429360

約数和(自身を除く): 12699320

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 19841, 39682, 79364, 99205, 158728, 198410, 218251, 396820, 436502, 793640, 873004, 1091255, 1746008, 2182510, 4365020, 8730040]

約数ペア:

[(1, 8730040), (2, 4365020), (4, 2182510), (5, 1746008), (8, 1091255), (10, 873004), (11, 793640), (20, 436502), (22, 396820), (40, 218251), (44, 198410), (55, 158728), (88, 99205), (110, 79364), (220, 39682), (440, 19841)]