40216340

素因数分解:

$2^2\times 5^1\times {\mathrm{641}}^1\times {\mathrm{3137}}^1$

素因数の和:3787

約数の個数: 24

約数和(自身を含む): 84613032

約数和(自身を除く): 44396692

約数列:

[1, 2, 4, 5, 10, 20, 641, 1282, 2564, 3137, 3205, 6274, 6410, 12548, 12820, 15685, 31370, 62740, 2010817, 4021634, 8043268, 10054085, 20108170, 40216340]

約数ペア:

[(1, 40216340), (2, 20108170), (4, 10054085), (5, 8043268), (10, 4021634), (20, 2010817), (641, 62740), (1282, 31370), (2564, 15685), (3137, 12820), (3205, 12548), (6274, 6410)]