42840590

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{2099}}^1$

素因数の和:2276

約数の個数: 32

約数和(自身を含む): 83613600

約数和(自身を除く): 40773010

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 157, 314, 785, 1570, 2041, 2099, 4082, 4198, 10205, 10495, 20410, 20990, 27287, 54574, 136435, 272870, 329543, 659086, 1647715, 3295430, 4284059, 8568118, 21420295, 42840590]

約数ペア:

[(1, 42840590), (2, 21420295), (5, 8568118), (10, 4284059), (13, 3295430), (26, 1647715), (65, 659086), (130, 329543), (157, 272870), (314, 136435), (785, 54574), (1570, 27287), (2041, 20990), (2099, 20410), (4082, 10495), (4198, 10205)]