108327640

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{199}}^1\times {\mathrm{439}}^1$

素因数の和:680

約数の個数: 64

約数和(自身を含む): 253440000

約数和(自身を除く): 145112360

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 199, 248, 310, 398, 439, 620, 796, 878, 995, 1240, 1592, 1756, 1990, 2195, 3512, 3980, 4390, 6169, 7960, 8780, 12338, 13609, 17560, 24676, 27218, 30845, 49352, 54436, 61690, 68045, 87361, 108872, 123380, 136090, 174722, 246760, 272180, 349444, 436805, 544360, 698888, 873610, 1747220, 2708191, 3494440, 5416382, 10832764, 13540955, 21665528, 27081910, 54163820, 108327640]

約数ペア:

[(1, 108327640), (2, 54163820), (4, 27081910), (5, 21665528), (8, 13540955), (10, 10832764), (20, 5416382), (31, 3494440), (40, 2708191), (62, 1747220), (124, 873610), (155, 698888), (199, 544360), (248, 436805), (310, 349444), (398, 272180), (439, 246760), (620, 174722), (796, 136090), (878, 123380), (995, 108872), (1240, 87361), (1592, 68045), (1756, 61690), (1990, 54436), (2195, 49352), (3512, 30845), (3980, 27218), (4390, 24676), (6169, 17560), (7960, 13609), (8780, 12338)]