126480400

素因数分解:

$2^4\times 5^2\times {\mathrm{316201}}^1$

素因数の和:316219

約数の個数: 30

約数和(自身を含む): 303870122

約数和(自身を除く): 177389722

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 316201, 632402, 1264804, 1581005, 2529608, 3162010, 5059216, 6324020, 7905025, 12648040, 15810050, 25296080, 31620100, 63240200, 126480400]

約数ペア:

[(1, 126480400), (2, 63240200), (4, 31620100), (5, 25296080), (8, 15810050), (10, 12648040), (16, 7905025), (20, 6324020), (25, 5059216), (40, 3162010), (50, 2529608), (80, 1581005), (100, 1264804), (200, 632402), (400, 316201)]