10400360

素因数分解:

$2^3\times 5^1\times {\mathrm{260009}}^1$

素因数の和:260020

約数の個数: 16

約数和(自身を含む): 23400900

約数和(自身を除く): 13000540

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 260009, 520018, 1040036, 1300045, 2080072, 2600090, 5200180, 10400360]

約数ペア:

[(1, 10400360), (2, 5200180), (4, 2600090), (5, 2080072), (8, 1300045), (10, 1040036), (20, 520018), (40, 260009)]