8400125

素因数分解:

$5^3\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{67}}^1$

素因数の和:158

約数の個数: 32

約数和(自身を含む): 11456640

約数和(自身を除く): 3056515

約数列:

[1, 5, 17, 25, 59, 67, 85, 125, 295, 335, 425, 1003, 1139, 1475, 1675, 2125, 3953, 5015, 5695, 7375, 8375, 19765, 25075, 28475, 67201, 98825, 125375, 142375, 336005, 494125, 1680025, 8400125]

約数ペア:

[(1, 8400125), (5, 1680025), (17, 494125), (25, 336005), (59, 142375), (67, 125375), (85, 98825), (125, 67201), (295, 28475), (335, 25075), (425, 19765), (1003, 8375), (1139, 7375), (1475, 5695), (1675, 5015), (2125, 3953)]