66393140

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{6421}}^1$

素因数の和:6488

約数の個数: 48

約数和(自身を含む): 155361024

約数和(自身を除く): 88967884

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 47, 55, 94, 110, 188, 220, 235, 470, 517, 940, 1034, 2068, 2585, 5170, 6421, 10340, 12842, 25684, 32105, 64210, 70631, 128420, 141262, 282524, 301787, 353155, 603574, 706310, 1207148, 1412620, 1508935, 3017870, 3319657, 6035740, 6639314, 13278628, 16598285, 33196570, 66393140]

約数ペア:

[(1, 66393140), (2, 33196570), (4, 16598285), (5, 13278628), (10, 6639314), (11, 6035740), (20, 3319657), (22, 3017870), (44, 1508935), (47, 1412620), (55, 1207148), (94, 706310), (110, 603574), (188, 353155), (220, 301787), (235, 282524), (470, 141262), (517, 128420), (940, 70631), (1034, 64210), (2068, 32105), (2585, 25684), (5170, 12842), (6421, 10340)]