13255120

素因数分解:

$2^4\times 5^1\times {\mathrm{223}}^1\times {\mathrm{743}}^1$

素因数の和:979

約数の個数: 40

約数和(自身を含む): 30998016

約数和(自身を除く): 17742896

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 223, 446, 743, 892, 1115, 1486, 1784, 2230, 2972, 3568, 3715, 4460, 5944, 7430, 8920, 11888, 14860, 17840, 29720, 59440, 165689, 331378, 662756, 828445, 1325512, 1656890, 2651024, 3313780, 6627560, 13255120]

約数ペア:

[(1, 13255120), (2, 6627560), (4, 3313780), (5, 2651024), (8, 1656890), (10, 1325512), (16, 828445), (20, 662756), (40, 331378), (80, 165689), (223, 59440), (446, 29720), (743, 17840), (892, 14860), (1115, 11888), (1486, 8920), (1784, 7430), (2230, 5944), (2972, 4460), (3568, 3715)]