40864240

素因数分解:

$2^4\times 5^1\times {\mathrm{510803}}^1$

素因数の和:510816

約数の個数: 20

約数和(自身を含む): 95009544

約数和(自身を除く): 54145304

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 510803, 1021606, 2043212, 2554015, 4086424, 5108030, 8172848, 10216060, 20432120, 40864240]

約数ペア:

[(1, 40864240), (2, 20432120), (4, 10216060), (5, 8172848), (8, 5108030), (10, 4086424), (16, 2554015), (20, 2043212), (40, 1021606), (80, 510803)]