64910480

素因数分解:

$2^4\times 5^1\times {\mathrm{107}}^1\times {\mathrm{7583}}^1$

素因数の和:7703

約数の個数: 40

約数和(自身を含む): 152347392

約数和(自身を除く): 87436912

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 107, 214, 428, 535, 856, 1070, 1712, 2140, 4280, 7583, 8560, 15166, 30332, 37915, 60664, 75830, 121328, 151660, 303320, 606640, 811381, 1622762, 3245524, 4056905, 6491048, 8113810, 12982096, 16227620, 32455240, 64910480]

約数ペア:

[(1, 64910480), (2, 32455240), (4, 16227620), (5, 12982096), (8, 8113810), (10, 6491048), (16, 4056905), (20, 3245524), (40, 1622762), (80, 811381), (107, 606640), (214, 303320), (428, 151660), (535, 121328), (856, 75830), (1070, 60664), (1712, 37915), (2140, 30332), (4280, 15166), (7583, 8560)]