30258320

素因数分解:

$2^4\times 5^1\times {\mathrm{378229}}^1$

素因数の和:378242

約数の個数: 20

約数和(自身を含む): 70350780

約数和(自身を除く): 40092460

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 378229, 756458, 1512916, 1891145, 3025832, 3782290, 6051664, 7564580, 15129160, 30258320]

約数ペア:

[(1, 30258320), (2, 15129160), (4, 7564580), (5, 6051664), (8, 3782290), (10, 3025832), (16, 1891145), (20, 1512916), (40, 756458), (80, 378229)]