70684820

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{86201}}^1$

素因数の和:86251

約数の個数: 24

約数和(自身を含む): 152060328

約数和(自身を除く): 81375508

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 86201, 172402, 344804, 431005, 862010, 1724020, 3534241, 7068482, 14136964, 17671205, 35342410, 70684820]

約数ペア:

[(1, 70684820), (2, 35342410), (4, 17671205), (5, 14136964), (10, 7068482), (20, 3534241), (41, 1724020), (82, 862010), (164, 431005), (205, 344804), (410, 172402), (820, 86201)]