13013240

素因数分解:

$2^3\times 5^1\times {\mathrm{263}}^1\times {\mathrm{1237}}^1$

素因数の和:1511

約数の個数: 32

約数和(自身を含む): 29414880

約数和(自身を除く): 16401640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 263, 526, 1052, 1237, 1315, 2104, 2474, 2630, 4948, 5260, 6185, 9896, 10520, 12370, 24740, 49480, 325331, 650662, 1301324, 1626655, 2602648, 3253310, 6506620, 13013240]

約数ペア:

[(1, 13013240), (2, 6506620), (4, 3253310), (5, 2602648), (8, 1626655), (10, 1301324), (20, 650662), (40, 325331), (263, 49480), (526, 24740), (1052, 12370), (1237, 10520), (1315, 9896), (2104, 6185), (2474, 5260), (2630, 4948)]