40388516

素因数分解:

$2^2\times 7^1\times {\mathrm{809}}^1\times {\mathrm{1783}}^1$

素因数の和:2603

約数の個数: 24

約数和(自身を含む): 80922240

約数和(自身を除く): 40533724

約数列:

[1, 2, 4, 7, 14, 28, 809, 1618, 1783, 3236, 3566, 5663, 7132, 11326, 12481, 22652, 24962, 49924, 1442447, 2884894, 5769788, 10097129, 20194258, 40388516]

約数ペア:

[(1, 40388516), (2, 20194258), (4, 10097129), (7, 5769788), (14, 2884894), (28, 1442447), (809, 49924), (1618, 24962), (1783, 22652), (3236, 12481), (3566, 11326), (5663, 7132)]