30796400

素因数分解:

$2^4\times 5^2\times {\mathrm{76991}}^1$

素因数の和:77009

約数の個数: 30

約数和(自身を含む): 73989312

約数和(自身を除く): 43192912

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 76991, 153982, 307964, 384955, 615928, 769910, 1231856, 1539820, 1924775, 3079640, 3849550, 6159280, 7699100, 15398200, 30796400]

約数ペア:

[(1, 30796400), (2, 15398200), (4, 7699100), (5, 6159280), (8, 3849550), (10, 3079640), (16, 1924775), (20, 1539820), (25, 1231856), (40, 769910), (50, 615928), (80, 384955), (100, 307964), (200, 153982), (400, 76991)]