54780400

素因数分解:

$2^4\times 5^2\times {\mathrm{136951}}^1$

素因数の和:136969

約数の個数: 30

約数和(自身を含む): 131610872

約数和(自身を除く): 76830472

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 136951, 273902, 547804, 684755, 1095608, 1369510, 2191216, 2739020, 3423775, 5478040, 6847550, 10956080, 13695100, 27390200, 54780400]

約数ペア:

[(1, 54780400), (2, 27390200), (4, 13695100), (5, 10956080), (8, 6847550), (10, 5478040), (16, 3423775), (20, 2739020), (25, 2191216), (40, 1369510), (50, 1095608), (80, 684755), (100, 547804), (200, 273902), (400, 136951)]