56117620

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{2137}}^1$

素因数の和:2260

約数の個数: 48

約数和(自身を含む): 128228688

約数和(自身を除く): 72111068

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 101, 130, 202, 260, 404, 505, 1010, 1313, 2020, 2137, 2626, 4274, 5252, 6565, 8548, 10685, 13130, 21370, 26260, 27781, 42740, 55562, 111124, 138905, 215837, 277810, 431674, 555620, 863348, 1079185, 2158370, 2805881, 4316740, 5611762, 11223524, 14029405, 28058810, 56117620]

約数ペア:

[(1, 56117620), (2, 28058810), (4, 14029405), (5, 11223524), (10, 5611762), (13, 4316740), (20, 2805881), (26, 2158370), (52, 1079185), (65, 863348), (101, 555620), (130, 431674), (202, 277810), (260, 215837), (404, 138905), (505, 111124), (1010, 55562), (1313, 42740), (2020, 27781), (2137, 26260), (2626, 21370), (4274, 13130), (5252, 10685), (6565, 8548)]