25512980

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{1499}}^1$

素因数の和:1568

約数の個数: 48

約数和(自身を含む): 57456000

約数和(自身を除く): 31943020

約数列:

[1, 2, 4, 5, 10, 20, 23, 37, 46, 74, 92, 115, 148, 185, 230, 370, 460, 740, 851, 1499, 1702, 2998, 3404, 4255, 5996, 7495, 8510, 14990, 17020, 29980, 34477, 55463, 68954, 110926, 137908, 172385, 221852, 277315, 344770, 554630, 689540, 1109260, 1275649, 2551298, 5102596, 6378245, 12756490, 25512980]

約数ペア:

[(1, 25512980), (2, 12756490), (4, 6378245), (5, 5102596), (10, 2551298), (20, 1275649), (23, 1109260), (37, 689540), (46, 554630), (74, 344770), (92, 277315), (115, 221852), (148, 172385), (185, 137908), (230, 110926), (370, 68954), (460, 55463), (740, 34477), (851, 29980), (1499, 17020), (1702, 14990), (2998, 8510), (3404, 7495), (4255, 5996)]