6428900

素因数分解:

$2^2\times 5^2\times {\mathrm{53}}^1\times {\mathrm{1213}}^1$

素因数の和:1280

約数の個数: 36

約数和(自身を含む): 14225652

約数和(自身を除く): 7796752

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 53, 100, 106, 212, 265, 530, 1060, 1213, 1325, 2426, 2650, 4852, 5300, 6065, 12130, 24260, 30325, 60650, 64289, 121300, 128578, 257156, 321445, 642890, 1285780, 1607225, 3214450, 6428900]

約数ペア:

[(1, 6428900), (2, 3214450), (4, 1607225), (5, 1285780), (10, 642890), (20, 321445), (25, 257156), (50, 128578), (53, 121300), (100, 64289), (106, 60650), (212, 30325), (265, 24260), (530, 12130), (1060, 6065), (1213, 5300), (1325, 4852), (2426, 2650)]