2580920

素因数分解:

$2^3\times 5^1\times {\mathrm{113}}^1\times {\mathrm{571}}^1$

素因数の和:695

約数の個数: 32

約数和(自身を含む): 5868720

約数和(自身を除く): 3287800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 113, 226, 452, 565, 571, 904, 1130, 1142, 2260, 2284, 2855, 4520, 4568, 5710, 11420, 22840, 64523, 129046, 258092, 322615, 516184, 645230, 1290460, 2580920]

約数ペア:

[(1, 2580920), (2, 1290460), (4, 645230), (5, 516184), (8, 322615), (10, 258092), (20, 129046), (40, 64523), (113, 22840), (226, 11420), (452, 5710), (565, 4568), (571, 4520), (904, 2855), (1130, 2284), (1142, 2260)]