131644400

素因数分解:

$2^4\times 5^2\times {\mathrm{329111}}^1$

素因数の和:329129

約数の個数: 30

約数和(自身を含む): 316276632

約数和(自身を除く): 184632232

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 329111, 658222, 1316444, 1645555, 2632888, 3291110, 5265776, 6582220, 8227775, 13164440, 16455550, 26328880, 32911100, 65822200, 131644400]

約数ペア:

[(1, 131644400), (2, 65822200), (4, 32911100), (5, 26328880), (8, 16455550), (10, 13164440), (16, 8227775), (20, 6582220), (25, 5265776), (40, 3291110), (50, 2632888), (80, 1645555), (100, 1316444), (200, 658222), (400, 329111)]