40204780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{26107}}^1$

素因数の和:26134

約数の個数: 48

約数和(自身を含む): 105267456

約数和(自身を除く): 65062676

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, 26107, 52214, 104428, 130535, 182749, 261070, 287177, 365498, 522140, 574354, 730996, 913745, 1148708, 1435885, 1827490, 2010239, 2871770, 3654980, 4020478, 5743540, 8040956, 10051195, 20102390, 40204780]

約数ペア:

[(1, 40204780), (2, 20102390), (4, 10051195), (5, 8040956), (7, 5743540), (10, 4020478), (11, 3654980), (14, 2871770), (20, 2010239), (22, 1827490), (28, 1435885), (35, 1148708), (44, 913745), (55, 730996), (70, 574354), (77, 522140), (110, 365498), (140, 287177), (154, 261070), (220, 182749), (308, 130535), (385, 104428), (770, 52214), (1540, 26107)]