12857800

素因数分解:

$2^3\times 5^2\times {\mathrm{53}}^1\times {\mathrm{1213}}^1$

素因数の和:1282

約数の個数: 48

約数和(自身を含む): 30483540

約数和(自身を除く): 17625740

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 53, 100, 106, 200, 212, 265, 424, 530, 1060, 1213, 1325, 2120, 2426, 2650, 4852, 5300, 6065, 9704, 10600, 12130, 24260, 30325, 48520, 60650, 64289, 121300, 128578, 242600, 257156, 321445, 514312, 642890, 1285780, 1607225, 2571560, 3214450, 6428900, 12857800]

約数ペア:

[(1, 12857800), (2, 6428900), (4, 3214450), (5, 2571560), (8, 1607225), (10, 1285780), (20, 642890), (25, 514312), (40, 321445), (50, 257156), (53, 242600), (100, 128578), (106, 121300), (200, 64289), (212, 60650), (265, 48520), (424, 30325), (530, 24260), (1060, 12130), (1213, 10600), (1325, 9704), (2120, 6065), (2426, 5300), (2650, 4852)]