2912421040

素因数分解:

$2^4\times 5^1\times {\mathrm{36405263}}^1$

素因数の和:36405276

約数の個数: 20

約数和(自身を含む): 6771379104

約数和(自身を除く): 3858958064

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 36405263, 72810526, 145621052, 182026315, 291242104, 364052630, 582484208, 728105260, 1456210520, 2912421040]

約数ペア:

[(1, 2912421040), (2, 1456210520), (4, 728105260), (5, 582484208), (8, 364052630), (10, 291242104), (16, 182026315), (20, 145621052), (40, 72810526), (80, 36405263)]