2783181680

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{848531}}^1$

素因数の和:848585

約数の個数: 40

約数和(自身を含む): 6628731984

約数和(自身を除く): 3845550304

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 328, 410, 656, 820, 1640, 3280, 848531, 1697062, 3394124, 4242655, 6788248, 8485310, 13576496, 16970620, 33941240, 34789771, 67882480, 69579542, 139159084, 173948855, 278318168, 347897710, 556636336, 695795420, 1391590840, 2783181680]

約数ペア:

[(1, 2783181680), (2, 1391590840), (4, 695795420), (5, 556636336), (8, 347897710), (10, 278318168), (16, 173948855), (20, 139159084), (40, 69579542), (41, 67882480), (80, 34789771), (82, 33941240), (164, 16970620), (205, 13576496), (328, 8485310), (410, 6788248), (656, 4242655), (820, 3394124), (1640, 1697062), (3280, 848531)]