1197640

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{379}}^1$

素因数の和:469

約数の個数: 32

約数和(自身を含む): 2736000

約数和(自身を除く): 1538360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 158, 316, 379, 395, 632, 758, 790, 1516, 1580, 1895, 3032, 3160, 3790, 7580, 15160, 29941, 59882, 119764, 149705, 239528, 299410, 598820, 1197640]

約数ペア:

[(1, 1197640), (2, 598820), (4, 299410), (5, 239528), (8, 149705), (10, 119764), (20, 59882), (40, 29941), (79, 15160), (158, 7580), (316, 3790), (379, 3160), (395, 3032), (632, 1895), (758, 1580), (790, 1516)]