68904190

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^2\times {\mathrm{4099}}^1$

素因数の和:4188

約数の個数: 24

約数和(自身を含む): 127157400

約数和(自身を除く): 58253210

約数列:

[1, 2, 5, 10, 41, 82, 205, 410, 1681, 3362, 4099, 8198, 8405, 16810, 20495, 40990, 168059, 336118, 840295, 1680590, 6890419, 13780838, 34452095, 68904190]

約数ペア:

[(1, 68904190), (2, 34452095), (5, 13780838), (10, 6890419), (41, 1680590), (82, 840295), (205, 336118), (410, 168059), (1681, 40990), (3362, 20495), (4099, 16810), (8198, 8405)]