4156325

素因数分解:

$5^2\times {\mathrm{31}}^2\times {\mathrm{173}}^1$

素因数の和:245

約数の個数: 18

約数和(自身を含む): 5356242

約数和(自身を除く): 1199917

約数列:

[1, 5, 25, 31, 155, 173, 775, 865, 961, 4325, 4805, 5363, 24025, 26815, 134075, 166253, 831265, 4156325]

約数ペア:

[(1, 4156325), (5, 831265), (25, 166253), (31, 134075), (155, 26815), (173, 24025), (775, 5363), (865, 4805), (961, 4325)]