2011121680

素因数分解:

$2^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{679433}}^1$

素因数の和:679483

約数の個数: 40

約数和(自身を含む): 4802239512

約数和(自身を除く): 2791117832

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 37, 40, 74, 80, 148, 185, 296, 370, 592, 740, 1480, 2960, 679433, 1358866, 2717732, 3397165, 5435464, 6794330, 10870928, 13588660, 25139021, 27177320, 50278042, 54354640, 100556084, 125695105, 201112168, 251390210, 402224336, 502780420, 1005560840, 2011121680]

約数ペア:

[(1, 2011121680), (2, 1005560840), (4, 502780420), (5, 402224336), (8, 251390210), (10, 201112168), (16, 125695105), (20, 100556084), (37, 54354640), (40, 50278042), (74, 27177320), (80, 25139021), (148, 13588660), (185, 10870928), (296, 6794330), (370, 5435464), (592, 3397165), (740, 2717732), (1480, 1358866), (2960, 679433)]