8418020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{32377}}^1$

素因数の和:32399

約数の個数: 24

約数和(自身を含む): 19038264

約数和(自身を除く): 10620244

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 32377, 64754, 129508, 161885, 323770, 420901, 647540, 841802, 1683604, 2104505, 4209010, 8418020]

約数ペア:

[(1, 8418020), (2, 4209010), (4, 2104505), (5, 1683604), (10, 841802), (13, 647540), (20, 420901), (26, 323770), (52, 161885), (65, 129508), (130, 64754), (260, 32377)]