2125625

素因数分解:

$5^4\times {\mathrm{19}}^1\times {\mathrm{179}}^1$

素因数の和:218

約数の個数: 20

約数和(自身を含む): 2811600

約数和(自身を除く): 685975

約数列:

[1, 5, 19, 25, 95, 125, 179, 475, 625, 895, 2375, 3401, 4475, 11875, 17005, 22375, 85025, 111875, 425125, 2125625]

約数ペア:

[(1, 2125625), (5, 425125), (19, 111875), (25, 85025), (95, 22375), (125, 17005), (179, 11875), (475, 4475), (625, 3401), (895, 2375)]