13258160

素因数分解:

$2^4\times 5^1\times {\mathrm{103}}^1\times {\mathrm{1609}}^1$

素因数の和:1725

約数の個数: 40

約数和(自身を含む): 31143840

約数和(自身を除く): 17885680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 103, 206, 412, 515, 824, 1030, 1609, 1648, 2060, 3218, 4120, 6436, 8045, 8240, 12872, 16090, 25744, 32180, 64360, 128720, 165727, 331454, 662908, 828635, 1325816, 1657270, 2651632, 3314540, 6629080, 13258160]

約数ペア:

[(1, 13258160), (2, 6629080), (4, 3314540), (5, 2651632), (8, 1657270), (10, 1325816), (16, 828635), (20, 662908), (40, 331454), (80, 165727), (103, 128720), (206, 64360), (412, 32180), (515, 25744), (824, 16090), (1030, 12872), (1609, 8240), (1648, 8045), (2060, 6436), (3218, 4120)]