8418940

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{10267}}^1$

素因数の和:10317

約数の個数: 24

約数和(自身を含む): 18112752

約数和(自身を除く): 9693812

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 10267, 20534, 41068, 51335, 102670, 205340, 420947, 841894, 1683788, 2104735, 4209470, 8418940]

約数ペア:

[(1, 8418940), (2, 4209470), (4, 2104735), (5, 1683788), (10, 841894), (20, 420947), (41, 205340), (82, 102670), (164, 51335), (205, 41068), (410, 20534), (820, 10267)]