130520

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{251}}^1$

素因数の和:275

約数の個数: 32

約数和(自身を含む): 317520

約数和(自身を除く): 187000

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 251, 260, 502, 520, 1004, 1255, 2008, 2510, 3263, 5020, 6526, 10040, 13052, 16315, 26104, 32630, 65260, 130520]

約数ペア:

[(1, 130520), (2, 65260), (4, 32630), (5, 26104), (8, 16315), (10, 13052), (13, 10040), (20, 6526), (26, 5020), (40, 3263), (52, 2510), (65, 2008), (104, 1255), (130, 1004), (251, 520), (260, 502)]