68320400

素因数分解:

$2^4\times 5^2\times {\mathrm{170801}}^1$

素因数の和:170819

約数の個数: 30

約数和(自身を含む): 164140722

約数和(自身を除く): 95820322

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 170801, 341602, 683204, 854005, 1366408, 1708010, 2732816, 3416020, 4270025, 6832040, 8540050, 13664080, 17080100, 34160200, 68320400]

約数ペア:

[(1, 68320400), (2, 34160200), (4, 17080100), (5, 13664080), (8, 8540050), (10, 6832040), (16, 4270025), (20, 3416020), (25, 2732816), (40, 1708010), (50, 1366408), (80, 854005), (100, 683204), (200, 341602), (400, 170801)]