30518960

素因数分解:

$2^4\times 5^1\times {\mathrm{381487}}^1$

素因数の和:381500

約数の個数: 20

約数和(自身を含む): 70956768

約数和(自身を除く): 40437808

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 381487, 762974, 1525948, 1907435, 3051896, 3814870, 6103792, 7629740, 15259480, 30518960]

約数ペア:

[(1, 30518960), (2, 15259480), (4, 7629740), (5, 6103792), (8, 3814870), (10, 3051896), (16, 1907435), (20, 1525948), (40, 762974), (80, 381487)]