30559280

素因数分解:

$2^4\times 5^1\times {\mathrm{381991}}^1$

素因数の和:382004

約数の個数: 20

約数和(自身を含む): 71050512

約数和(自身を除く): 40491232

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 381991, 763982, 1527964, 1909955, 3055928, 3819910, 6111856, 7639820, 15279640, 30559280]

約数ペア:

[(1, 30559280), (2, 15279640), (4, 7639820), (5, 6111856), (8, 3819910), (10, 3055928), (16, 1909955), (20, 1527964), (40, 763982), (80, 381991)]