51306520

素因数分解:

$2^3\times 5^1\times {\mathrm{113}}^1\times {\mathrm{11351}}^1$

素因数の和:11475

約数の個数: 32

約数和(自身を含む): 116471520

約数和(自身を除く): 65165000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 113, 226, 452, 565, 904, 1130, 2260, 4520, 11351, 22702, 45404, 56755, 90808, 113510, 227020, 454040, 1282663, 2565326, 5130652, 6413315, 10261304, 12826630, 25653260, 51306520]

約数ペア:

[(1, 51306520), (2, 25653260), (4, 12826630), (5, 10261304), (8, 6413315), (10, 5130652), (20, 2565326), (40, 1282663), (113, 454040), (226, 227020), (452, 113510), (565, 90808), (904, 56755), (1130, 45404), (2260, 22702), (4520, 11351)]