30512080

素因数分解:

$2^4\times 5^1\times {\mathrm{381401}}^1$

素因数の和:381414

約数の個数: 20

約数和(自身を含む): 70940772

約数和(自身を除く): 40428692

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 381401, 762802, 1525604, 1907005, 3051208, 3814010, 6102416, 7628020, 15256040, 30512080]

約数ペア:

[(1, 30512080), (2, 15256040), (4, 7628020), (5, 6102416), (8, 3814010), (10, 3051208), (16, 1907005), (20, 1525604), (40, 762802), (80, 381401)]