2017459940

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{1531}}^1\times {\mathrm{1607}}^1$

素因数の和:3188

約数の個数: 48

約数和(自身を含む): 4345536384

約数和(自身を除く): 2328076444

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 1531, 1607, 3062, 3214, 6124, 6428, 7655, 8035, 15310, 16070, 30620, 32140, 62771, 65887, 125542, 131774, 251084, 263548, 313855, 329435, 627710, 658870, 1255420, 1317740, 2460317, 4920634, 9841268, 12301585, 24603170, 49206340, 100872997, 201745994, 403491988, 504364985, 1008729970, 2017459940]

約数ペア:

[(1, 2017459940), (2, 1008729970), (4, 504364985), (5, 403491988), (10, 201745994), (20, 100872997), (41, 49206340), (82, 24603170), (164, 12301585), (205, 9841268), (410, 4920634), (820, 2460317), (1531, 1317740), (1607, 1255420), (3062, 658870), (3214, 627710), (6124, 329435), (6428, 313855), (7655, 263548), (8035, 251084), (15310, 131774), (16070, 125542), (30620, 65887), (32140, 62771)]