40654940

素因数分解:

$2^2\times 5^1\times {\mathrm{1399}}^1\times {\mathrm{1453}}^1$

素因数の和:2861

約数の個数: 24

約数和(自身を含む): 85495200

約数和(自身を除く): 44840260

約数列:

[1, 2, 4, 5, 10, 20, 1399, 1453, 2798, 2906, 5596, 5812, 6995, 7265, 13990, 14530, 27980, 29060, 2032747, 4065494, 8130988, 10163735, 20327470, 40654940]

約数ペア:

[(1, 40654940), (2, 20327470), (4, 10163735), (5, 8130988), (10, 4065494), (20, 2032747), (1399, 29060), (1453, 27980), (2798, 14530), (2906, 13990), (5596, 7265), (5812, 6995)]