13221080

素因数分解:

$2^3\times 5^1\times {\mathrm{103}}^1\times {\mathrm{3209}}^1$

素因数の和:3323

約数の個数: 32

約数和(自身を含む): 30045600

約数和(自身を除く): 16824520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 103, 206, 412, 515, 824, 1030, 2060, 3209, 4120, 6418, 12836, 16045, 25672, 32090, 64180, 128360, 330527, 661054, 1322108, 1652635, 2644216, 3305270, 6610540, 13221080]

約数ペア:

[(1, 13221080), (2, 6610540), (4, 3305270), (5, 2644216), (8, 1652635), (10, 1322108), (20, 661054), (40, 330527), (103, 128360), (206, 64180), (412, 32090), (515, 25672), (824, 16045), (1030, 12836), (2060, 6418), (3209, 4120)]