9920732080

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{2530799}}^1$

素因数の和:2530826

約数の個数: 60

約数和(自身を含む): 26831541600

約数和(自身を除く): 16910809520

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 392, 490, 560, 784, 980, 1960, 3920, 2530799, 5061598, 10123196, 12653995, 17715593, 20246392, 25307990, 35431186, 40492784, 50615980, 70862372, 88577965, 101231960, 124009151, 141724744, 177155930, 202463920, 248018302, 283449488, 354311860, 496036604, 620045755, 708623720, 992073208, 1240091510, 1417247440, 1984146416, 2480183020, 4960366040, 9920732080]

約数ペア:

[(1, 9920732080), (2, 4960366040), (4, 2480183020), (5, 1984146416), (7, 1417247440), (8, 1240091510), (10, 992073208), (14, 708623720), (16, 620045755), (20, 496036604), (28, 354311860), (35, 283449488), (40, 248018302), (49, 202463920), (56, 177155930), (70, 141724744), (80, 124009151), (98, 101231960), (112, 88577965), (140, 70862372), (196, 50615980), (245, 40492784), (280, 35431186), (392, 25307990), (490, 20246392), (560, 17715593), (784, 12653995), (980, 10123196), (1960, 5061598), (3920, 2530799)]