16290125

素因数分解:

$5^3\times {\mathrm{19}}^4$

素因数の和:91

約数の個数: 20

約数和(自身を含む): 21459516

約数和(自身を除く): 5169391

約数列:

[1, 5, 19, 25, 95, 125, 361, 475, 1805, 2375, 6859, 9025, 34295, 45125, 130321, 171475, 651605, 857375, 3258025, 16290125]

約数ペア:

[(1, 16290125), (5, 3258025), (19, 857375), (25, 651605), (95, 171475), (125, 130321), (361, 45125), (475, 34295), (1805, 9025), (2375, 6859)]