8787940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{1531}}^1$

素因数の和:1588

約数の個数: 48

約数和(自身を含む): 21619584

約数和(自身を除く): 12831644

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 41, 70, 82, 140, 164, 205, 287, 410, 574, 820, 1148, 1435, 1531, 2870, 3062, 5740, 6124, 7655, 10717, 15310, 21434, 30620, 42868, 53585, 62771, 107170, 125542, 214340, 251084, 313855, 439397, 627710, 878794, 1255420, 1757588, 2196985, 4393970, 8787940]

約数ペア:

[(1, 8787940), (2, 4393970), (4, 2196985), (5, 1757588), (7, 1255420), (10, 878794), (14, 627710), (20, 439397), (28, 313855), (35, 251084), (41, 214340), (70, 125542), (82, 107170), (140, 62771), (164, 53585), (205, 42868), (287, 30620), (410, 21434), (574, 15310), (820, 10717), (1148, 7655), (1435, 6124), (1531, 5740), (2870, 3062)]