86880400

素因数分解:

$2^4\times 5^2\times {\mathrm{217201}}^1$

素因数の和:217219

約数の個数: 30

約数和(自身を含む): 208731122

約数和(自身を除く): 121850722

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 217201, 434402, 868804, 1086005, 1737608, 2172010, 3475216, 4344020, 5430025, 8688040, 10860050, 17376080, 21720100, 43440200, 86880400]

約数ペア:

[(1, 86880400), (2, 43440200), (4, 21720100), (5, 17376080), (8, 10860050), (10, 8688040), (16, 5430025), (20, 4344020), (25, 3475216), (40, 2172010), (50, 1737608), (80, 1086005), (100, 868804), (200, 434402), (400, 217201)]