39978730

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{21379}}^1$

素因数の和:21414

約数の個数: 32

約数和(自身を含む): 83125440

約数和(自身を除く): 43146710

約数列:

[1, 2, 5, 10, 11, 17, 22, 34, 55, 85, 110, 170, 187, 374, 935, 1870, 21379, 42758, 106895, 213790, 235169, 363443, 470338, 726886, 1175845, 1817215, 2351690, 3634430, 3997873, 7995746, 19989365, 39978730]

約数ペア:

[(1, 39978730), (2, 19989365), (5, 7995746), (10, 3997873), (11, 3634430), (17, 2351690), (22, 1817215), (34, 1175845), (55, 726886), (85, 470338), (110, 363443), (170, 235169), (187, 213790), (374, 106895), (935, 42758), (1870, 21379)]