40287940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{26161}}^1$

素因数の和:26188

約数の個数: 48

約数和(自身を含む): 105485184

約数和(自身を除く): 65197244

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1540, 26161, 52322, 104644, 130805, 183127, 261610, 287771, 366254, 523220, 575542, 732508, 915635, 1151084, 1438855, 1831270, 2014397, 2877710, 3662540, 4028794, 5755420, 8057588, 10071985, 20143970, 40287940]

約数ペア:

[(1, 40287940), (2, 20143970), (4, 10071985), (5, 8057588), (7, 5755420), (10, 4028794), (11, 3662540), (14, 2877710), (20, 2014397), (22, 1831270), (28, 1438855), (35, 1151084), (44, 915635), (55, 732508), (70, 575542), (77, 523220), (110, 366254), (140, 287771), (154, 261610), (220, 183127), (308, 130805), (385, 104644), (770, 52322), (1540, 26161)]