8067980

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{9839}}^1$

素因数の和:9889

約数の個数: 24

約数和(自身を含む): 17357760

約数和(自身を除く): 9289780

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 9839, 19678, 39356, 49195, 98390, 196780, 403399, 806798, 1613596, 2016995, 4033990, 8067980]

約数ペア:

[(1, 8067980), (2, 4033990), (4, 2016995), (5, 1613596), (10, 806798), (20, 403399), (41, 196780), (82, 98390), (164, 49195), (205, 39356), (410, 19678), (820, 9839)]