8399260

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{10243}}^1$

素因数の和:10293

約数の個数: 24

約数和(自身を含む): 18070416

約数和(自身を除く): 9671156

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 10243, 20486, 40972, 51215, 102430, 204860, 419963, 839926, 1679852, 2099815, 4199630, 8399260]

約数ペア:

[(1, 8399260), (2, 4199630), (4, 2099815), (5, 1679852), (10, 839926), (20, 419963), (41, 204860), (82, 102430), (164, 51215), (205, 40972), (410, 20486), (820, 10243)]