17149505420

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{1039}}^1\times {\mathrm{20129}}^1$

素因数の和:21218

約数の個数: 48

約数和(自身を含む): 36929692800

約数和(自身を除く): 19780187380

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 1039, 2078, 4156, 5195, 10390, 20129, 20780, 40258, 42599, 80516, 85198, 100645, 170396, 201290, 212995, 402580, 425990, 825289, 851980, 1650578, 3301156, 4126445, 8252890, 16505780, 20914031, 41828062, 83656124, 104570155, 209140310, 418280620, 857475271, 1714950542, 3429901084, 4287376355, 8574752710, 17149505420]

約数ペア:

[(1, 17149505420), (2, 8574752710), (4, 4287376355), (5, 3429901084), (10, 1714950542), (20, 857475271), (41, 418280620), (82, 209140310), (164, 104570155), (205, 83656124), (410, 41828062), (820, 20914031), (1039, 16505780), (2078, 8252890), (4156, 4126445), (5195, 3301156), (10390, 1650578), (20129, 851980), (20780, 825289), (40258, 425990), (42599, 402580), (80516, 212995), (85198, 201290), (100645, 170396)]