6404540

素因数分解:

$2^2\times 5^1\times {\mathrm{103}}^1\times {\mathrm{3109}}^1$

素因数の和:3221

約数の個数: 24

約数和(自身を含む): 13584480

約数和(自身を除く): 7179940

約数列:

[1, 2, 4, 5, 10, 20, 103, 206, 412, 515, 1030, 2060, 3109, 6218, 12436, 15545, 31090, 62180, 320227, 640454, 1280908, 1601135, 3202270, 6404540]

約数ペア:

[(1, 6404540), (2, 3202270), (4, 1601135), (5, 1280908), (10, 640454), (20, 320227), (103, 62180), (206, 31090), (412, 15545), (515, 12436), (1030, 6218), (2060, 3109)]