2571560

素因数分解:

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

素因数の和:1277

約数の個数: 32

約数和(自身を含む): 5900040

約数和(自身を除く): 3328480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 212, 265, 424, 530, 1060, 1213, 2120, 2426, 4852, 6065, 9704, 12130, 24260, 48520, 64289, 128578, 257156, 321445, 514312, 642890, 1285780, 2571560]

約数ペア:

[(1, 2571560), (2, 1285780), (4, 642890), (5, 514312), (8, 321445), (10, 257156), (20, 128578), (40, 64289), (53, 48520), (106, 24260), (212, 12130), (265, 9704), (424, 6065), (530, 4852), (1060, 2426), (1213, 2120)]