40816240

素因数分解:

$2^4\times 5^1\times {\mathrm{510203}}^1$

素因数の和:510216

約数の個数: 20

約数和(自身を含む): 94897944

約数和(自身を除く): 54081704

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 510203, 1020406, 2040812, 2551015, 4081624, 5102030, 8163248, 10204060, 20408120, 40816240]

約数ペア:

[(1, 40816240), (2, 20408120), (4, 10204060), (5, 8163248), (8, 5102030), (10, 4081624), (16, 2551015), (20, 2040812), (40, 1020406), (80, 510203)]