12487520

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{4591}}^1$

素因数の和:4623

約数の個数: 48

約数和(自身を含む): 31243968

約数和(自身を除く): 18756448

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 68, 80, 85, 136, 160, 170, 272, 340, 544, 680, 1360, 2720, 4591, 9182, 18364, 22955, 36728, 45910, 73456, 78047, 91820, 146912, 156094, 183640, 312188, 367280, 390235, 624376, 734560, 780470, 1248752, 1560940, 2497504, 3121880, 6243760, 12487520]

約数ペア:

[(1, 12487520), (2, 6243760), (4, 3121880), (5, 2497504), (8, 1560940), (10, 1248752), (16, 780470), (17, 734560), (20, 624376), (32, 390235), (34, 367280), (40, 312188), (68, 183640), (80, 156094), (85, 146912), (136, 91820), (160, 78047), (170, 73456), (272, 45910), (340, 36728), (544, 22955), (680, 18364), (1360, 9182), (2720, 4591)]