40456390

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{311203}}^1$

素因数の和:311223

約数の個数: 16

約数和(自身を含む): 78423408

約数和(自身を除く): 37967018

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 311203, 622406, 1556015, 3112030, 4045639, 8091278, 20228195, 40456390]

約数ペア:

[(1, 40456390), (2, 20228195), (5, 8091278), (10, 4045639), (13, 3112030), (26, 1556015), (65, 622406), (130, 311203)]