15290920

素因数分解:

$2^3\times 5^1\times {\mathrm{251}}^1\times {\mathrm{1523}}^1$

素因数の和:1785

約数の個数: 32

約数和(自身を含む): 34564320

約数和(自身を除く): 19273400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 251, 502, 1004, 1255, 1523, 2008, 2510, 3046, 5020, 6092, 7615, 10040, 12184, 15230, 30460, 60920, 382273, 764546, 1529092, 1911365, 3058184, 3822730, 7645460, 15290920]

約数ペア:

[(1, 15290920), (2, 7645460), (4, 3822730), (5, 3058184), (8, 1911365), (10, 1529092), (20, 764546), (40, 382273), (251, 60920), (502, 30460), (1004, 15230), (1255, 12184), (1523, 10040), (2008, 7615), (2510, 6092), (3046, 5020)]