19560625

素因数分解:

$5^4\times 7^1\times {\mathrm{17}}^1\times {\mathrm{263}}^1$

素因数の和:307

約数の個数: 40

約数和(自身を含む): 29690496

約数和(自身を除く): 10129871

約数列:

[1, 5, 7, 17, 25, 35, 85, 119, 125, 175, 263, 425, 595, 625, 875, 1315, 1841, 2125, 2975, 4375, 4471, 6575, 9205, 10625, 14875, 22355, 31297, 32875, 46025, 74375, 111775, 156485, 164375, 230125, 558875, 782425, 1150625, 2794375, 3912125, 19560625]

約数ペア:

[(1, 19560625), (5, 3912125), (7, 2794375), (17, 1150625), (25, 782425), (35, 558875), (85, 230125), (119, 164375), (125, 156485), (175, 111775), (263, 74375), (425, 46025), (595, 32875), (625, 31297), (875, 22355), (1315, 14875), (1841, 10625), (2125, 9205), (2975, 6575), (4375, 4471)]