4052803540

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{139}}^1\times {\mathrm{20533}}^1$

素因数の和:20752

約数の個数: 48

約数和(自身を含む): 8693274240

約数和(自身を除く): 4640470700

約数列:

[1, 2, 4, 5, 10, 20, 71, 139, 142, 278, 284, 355, 556, 695, 710, 1390, 1420, 2780, 9869, 19738, 20533, 39476, 41066, 49345, 82132, 98690, 102665, 197380, 205330, 410660, 1457843, 2854087, 2915686, 5708174, 5831372, 7289215, 11416348, 14270435, 14578430, 28540870, 29156860, 57081740, 202640177, 405280354, 810560708, 1013200885, 2026401770, 4052803540]

約数ペア:

[(1, 4052803540), (2, 2026401770), (4, 1013200885), (5, 810560708), (10, 405280354), (20, 202640177), (71, 57081740), (139, 29156860), (142, 28540870), (278, 14578430), (284, 14270435), (355, 11416348), (556, 7289215), (695, 5831372), (710, 5708174), (1390, 2915686), (1420, 2854087), (2780, 1457843), (9869, 410660), (19738, 205330), (20533, 197380), (39476, 102665), (41066, 98690), (49345, 82132)]