15772220

素因数分解:

$2^2\times 5^1\times {\mathrm{157}}^1\times {\mathrm{5023}}^1$

素因数の和:5189

約数の個数: 24

約数和(自身を含む): 33339264

約数和(自身を除く): 17567044

約数列:

[1, 2, 4, 5, 10, 20, 157, 314, 628, 785, 1570, 3140, 5023, 10046, 20092, 25115, 50230, 100460, 788611, 1577222, 3154444, 3943055, 7886110, 15772220]

約数ペア:

[(1, 15772220), (2, 7886110), (4, 3943055), (5, 3154444), (10, 1577222), (20, 788611), (157, 100460), (314, 50230), (628, 25115), (785, 20092), (1570, 10046), (3140, 5023)]