63990280

素因数分解:

$2^3\times 5^1\times {\mathrm{107}}^1\times {\mathrm{14951}}^1$

素因数の和:15069

約数の個数: 32

約数和(自身を含む): 145333440

約数和(自身を除く): 81343160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 107, 214, 428, 535, 856, 1070, 2140, 4280, 14951, 29902, 59804, 74755, 119608, 149510, 299020, 598040, 1599757, 3199514, 6399028, 7998785, 12798056, 15997570, 31995140, 63990280]

約数ペア:

[(1, 63990280), (2, 31995140), (4, 15997570), (5, 12798056), (8, 7998785), (10, 6399028), (20, 3199514), (40, 1599757), (107, 598040), (214, 299020), (428, 149510), (535, 119608), (856, 74755), (1070, 59804), (2140, 29902), (4280, 14951)]