10128400

素因数分解:

$2^4\times 5^2\times {\mathrm{25321}}^1$

素因数の和:25339

約数の個数: 30

約数和(自身を含む): 24334442

約数和(自身を除く): 14206042

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 25321, 50642, 101284, 126605, 202568, 253210, 405136, 506420, 633025, 1012840, 1266050, 2025680, 2532100, 5064200, 10128400]

約数ペア:

[(1, 10128400), (2, 5064200), (4, 2532100), (5, 2025680), (8, 1266050), (10, 1012840), (16, 633025), (20, 506420), (25, 405136), (40, 253210), (50, 202568), (80, 126605), (100, 101284), (200, 50642), (400, 25321)]