207640

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{179}}^1$

素因数の和:219

約数の個数: 32

約数和(自身を含む): 486000

約数和(自身を除く): 278360

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 179, 232, 290, 358, 580, 716, 895, 1160, 1432, 1790, 3580, 5191, 7160, 10382, 20764, 25955, 41528, 51910, 103820, 207640]

約数ペア:

[(1, 207640), (2, 103820), (4, 51910), (5, 41528), (8, 25955), (10, 20764), (20, 10382), (29, 7160), (40, 5191), (58, 3580), (116, 1790), (145, 1432), (179, 1160), (232, 895), (290, 716), (358, 580)]