8708472040

素因数分解:

$2^3\times 5^1\times {\mathrm{217711801}}^1$

素因数の和:217711812

約数の個数: 16

約数和(自身を含む): 19594062180

約数和(自身を除く): 10885590140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 217711801, 435423602, 870847204, 1088559005, 1741694408, 2177118010, 4354236020, 8708472040]

約数ペア:

[(1, 8708472040), (2, 4354236020), (4, 2177118010), (5, 1741694408), (8, 1088559005), (10, 870847204), (20, 435423602), (40, 217711801)]