30996400

素因数分解:

$2^4\times 5^2\times {\mathrm{77491}}^1$

素因数の和:77509

約数の個数: 30

約数和(自身を含む): 74469812

約数和(自身を除く): 43473412

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 77491, 154982, 309964, 387455, 619928, 774910, 1239856, 1549820, 1937275, 3099640, 3874550, 6199280, 7749100, 15498200, 30996400]

約数ペア:

[(1, 30996400), (2, 15498200), (4, 7749100), (5, 6199280), (8, 3874550), (10, 3099640), (16, 1937275), (20, 1549820), (25, 1239856), (40, 774910), (50, 619928), (80, 387455), (100, 309964), (200, 154982), (400, 77491)]