30391120

素因数分解:

$2^4\times 5^1\times {\mathrm{379889}}^1$

素因数の和:379902

約数の個数: 20

約数和(自身を含む): 70659540

約数和(自身を除く): 40268420

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 379889, 759778, 1519556, 1899445, 3039112, 3798890, 6078224, 7597780, 15195560, 30391120]

約数ペア:

[(1, 30391120), (2, 15195560), (4, 7597780), (5, 6078224), (8, 3798890), (10, 3039112), (16, 1899445), (20, 1519556), (40, 759778), (80, 379889)]