145218680

素因数分解:

$2^3\times 5^1\times {\mathrm{607}}^1\times {\mathrm{5981}}^1$

素因数の和:6599

約数の個数: 32

約数和(自身を含む): 327335040

約数和(自身を除く): 182116360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 607, 1214, 2428, 3035, 4856, 5981, 6070, 11962, 12140, 23924, 24280, 29905, 47848, 59810, 119620, 239240, 3630467, 7260934, 14521868, 18152335, 29043736, 36304670, 72609340, 145218680]

約数ペア:

[(1, 145218680), (2, 72609340), (4, 36304670), (5, 29043736), (8, 18152335), (10, 14521868), (20, 7260934), (40, 3630467), (607, 239240), (1214, 119620), (2428, 59810), (3035, 47848), (4856, 29905), (5981, 24280), (6070, 23924), (11962, 12140)]