66842620

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{317}}^1\times {\mathrm{811}}^1$

素因数の和:1150

約数の個数: 48

約数和(自身を含む): 151831008

約数和(自身を除く): 84988388

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 317, 634, 811, 1268, 1585, 1622, 3170, 3244, 4055, 4121, 6340, 8110, 8242, 10543, 16220, 16484, 20605, 21086, 41210, 42172, 52715, 82420, 105430, 210860, 257087, 514174, 1028348, 1285435, 2570870, 3342131, 5141740, 6684262, 13368524, 16710655, 33421310, 66842620]

約数ペア:

[(1, 66842620), (2, 33421310), (4, 16710655), (5, 13368524), (10, 6684262), (13, 5141740), (20, 3342131), (26, 2570870), (52, 1285435), (65, 1028348), (130, 514174), (260, 257087), (317, 210860), (634, 105430), (811, 82420), (1268, 52715), (1585, 42172), (1622, 41210), (3170, 21086), (3244, 20605), (4055, 16484), (4121, 16220), (6340, 10543), (8110, 8242)]