1680025

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{67}}^1$

素因数の和:153

約数の個数: 24

約数和(自身を含む): 2276640

約数和(自身を除く): 596615

約数列:

[1, 5, 17, 25, 59, 67, 85, 295, 335, 425, 1003, 1139, 1475, 1675, 3953, 5015, 5695, 19765, 25075, 28475, 67201, 98825, 336005, 1680025]

約数ペア:

[(1, 1680025), (5, 336005), (17, 98825), (25, 67201), (59, 28475), (67, 25075), (85, 19765), (295, 5695), (335, 5015), (425, 3953), (1003, 1675), (1139, 1475)]