51392500

素因数分解:

$2^2\times 5^4\times {\mathrm{61}}^1\times {\mathrm{337}}^1$

素因数の和:422

約数の個数: 60

約数和(自身を含む): 114566452

約数和(自身を除く): 63173952

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 61, 100, 122, 125, 244, 250, 305, 337, 500, 610, 625, 674, 1220, 1250, 1348, 1525, 1685, 2500, 3050, 3370, 6100, 6740, 7625, 8425, 15250, 16850, 20557, 30500, 33700, 38125, 41114, 42125, 76250, 82228, 84250, 102785, 152500, 168500, 205570, 210625, 411140, 421250, 513925, 842500, 1027850, 2055700, 2569625, 5139250, 10278500, 12848125, 25696250, 51392500]

約数ペア:

[(1, 51392500), (2, 25696250), (4, 12848125), (5, 10278500), (10, 5139250), (20, 2569625), (25, 2055700), (50, 1027850), (61, 842500), (100, 513925), (122, 421250), (125, 411140), (244, 210625), (250, 205570), (305, 168500), (337, 152500), (500, 102785), (610, 84250), (625, 82228), (674, 76250), (1220, 42125), (1250, 41114), (1348, 38125), (1525, 33700), (1685, 30500), (2500, 20557), (3050, 16850), (3370, 15250), (6100, 8425), (6740, 7625)]