30559120

素因数分解:

$2^4\times 5^1\times {\mathrm{381989}}^1$

素因数の和:382002

約数の個数: 20

約数和(自身を含む): 71050140

約数和(自身を除く): 40491020

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 381989, 763978, 1527956, 1909945, 3055912, 3819890, 6111824, 7639780, 15279560, 30559120]

約数ペア:

[(1, 30559120), (2, 15279560), (4, 7639780), (5, 6111824), (8, 3819890), (10, 3055912), (16, 1909945), (20, 1527956), (40, 763978), (80, 381989)]