55380400

素因数分解:

$2^4\times 5^2\times {\mathrm{138451}}^1$

素因数の和:138469

約数の個数: 30

約数和(自身を含む): 133052372

約数和(自身を除く): 77671972

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 138451, 276902, 553804, 692255, 1107608, 1384510, 2215216, 2769020, 3461275, 5538040, 6922550, 11076080, 13845100, 27690200, 55380400]

約数ペア:

[(1, 55380400), (2, 27690200), (4, 13845100), (5, 11076080), (8, 6922550), (10, 5538040), (16, 3461275), (20, 2769020), (25, 2215216), (40, 1384510), (50, 1107608), (80, 692255), (100, 553804), (200, 276902), (400, 138451)]