123792125

素因数分解:

$5^3\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{1109}}^1$

素因数の和:1190

約数の個数: 32

約数和(自身を含む): 166233600

約数和(自身を除く): 42441475

約数列:

[1, 5, 19, 25, 47, 95, 125, 235, 475, 893, 1109, 1175, 2375, 4465, 5545, 5875, 21071, 22325, 27725, 52123, 105355, 111625, 138625, 260615, 526775, 990337, 1303075, 2633875, 4951685, 6515375, 24758425, 123792125]

約数ペア:

[(1, 123792125), (5, 24758425), (19, 6515375), (25, 4951685), (47, 2633875), (95, 1303075), (125, 990337), (235, 526775), (475, 260615), (893, 138625), (1109, 111625), (1175, 105355), (2375, 52123), (4465, 27725), (5545, 22325), (5875, 21071)]