65487920

素因数分解:

$2^4\times 5^1\times {\mathrm{47}}^1\times {\mathrm{17417}}^1$

素因数の和:17477

約数の個数: 40

約数和(自身を含む): 155507904

約数和(自身を除く): 90019984

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 47, 80, 94, 188, 235, 376, 470, 752, 940, 1880, 3760, 17417, 34834, 69668, 87085, 139336, 174170, 278672, 348340, 696680, 818599, 1393360, 1637198, 3274396, 4092995, 6548792, 8185990, 13097584, 16371980, 32743960, 65487920]

約数ペア:

[(1, 65487920), (2, 32743960), (4, 16371980), (5, 13097584), (8, 8185990), (10, 6548792), (16, 4092995), (20, 3274396), (40, 1637198), (47, 1393360), (80, 818599), (94, 696680), (188, 348340), (235, 278672), (376, 174170), (470, 139336), (752, 87085), (940, 69668), (1880, 34834), (3760, 17417)]