42890125

素因数分解:

$5^3\times {\mathrm{19}}^1\times {\mathrm{18059}}^1$

素因数の和:18093

約数の個数: 16

約数和(自身を含む): 56347200

約数和(自身を除く): 13457075

約数列:

[1, 5, 19, 25, 95, 125, 475, 2375, 18059, 90295, 343121, 451475, 1715605, 2257375, 8578025, 42890125]

約数ペア:

[(1, 42890125), (5, 8578025), (19, 2257375), (25, 1715605), (95, 451475), (125, 343121), (475, 90295), (2375, 18059)]