19550628400

素因数分解:

$2^4\times 5^2\times {\mathrm{29}}^1\times {\mathrm{1685399}}^1$

素因数の和:1685446

約数の個数: 60

約数和(自身を含む): 48590082000

約数和(自身を除く): 29039453600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 29, 40, 50, 58, 80, 100, 116, 145, 200, 232, 290, 400, 464, 580, 725, 1160, 1450, 2320, 2900, 5800, 11600, 1685399, 3370798, 6741596, 8426995, 13483192, 16853990, 26966384, 33707980, 42134975, 48876571, 67415960, 84269950, 97753142, 134831920, 168539900, 195506284, 244382855, 337079800, 391012568, 488765710, 674159600, 782025136, 977531420, 1221914275, 1955062840, 2443828550, 3910125680, 4887657100, 9775314200, 19550628400]

約数ペア:

[(1, 19550628400), (2, 9775314200), (4, 4887657100), (5, 3910125680), (8, 2443828550), (10, 1955062840), (16, 1221914275), (20, 977531420), (25, 782025136), (29, 674159600), (40, 488765710), (50, 391012568), (58, 337079800), (80, 244382855), (100, 195506284), (116, 168539900), (145, 134831920), (200, 97753142), (232, 84269950), (290, 67415960), (400, 48876571), (464, 42134975), (580, 33707980), (725, 26966384), (1160, 16853990), (1450, 13483192), (2320, 8426995), (2900, 6741596), (5800, 3370798), (11600, 1685399)]