66525520

素因数分解:

$2^4\times 5^1\times {\mathrm{149}}^1\times {\mathrm{5581}}^1$

素因数の和:5743

約数の個数: 40

約数和(自身を含む): 155737800

約数和(自身を除く): 89212280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 149, 298, 596, 745, 1192, 1490, 2384, 2980, 5581, 5960, 11162, 11920, 22324, 27905, 44648, 55810, 89296, 111620, 223240, 446480, 831569, 1663138, 3326276, 4157845, 6652552, 8315690, 13305104, 16631380, 33262760, 66525520]

約数ペア:

[(1, 66525520), (2, 33262760), (4, 16631380), (5, 13305104), (8, 8315690), (10, 6652552), (16, 4157845), (20, 3326276), (40, 1663138), (80, 831569), (149, 446480), (298, 223240), (596, 111620), (745, 89296), (1192, 55810), (1490, 44648), (2384, 27905), (2980, 22324), (5581, 11920), (5960, 11162)]