258520175

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{167}}^1\times {\mathrm{3259}}^1$

素因数の和:3455

約数の個数: 24

約数和(自身を含む): 339561600

約数和(自身を除く): 81041425

約数列:

[1, 5, 19, 25, 95, 167, 475, 835, 3173, 3259, 4175, 15865, 16295, 61921, 79325, 81475, 309605, 544253, 1548025, 2721265, 10340807, 13606325, 51704035, 258520175]

約数ペア:

[(1, 258520175), (5, 51704035), (19, 13606325), (25, 10340807), (95, 2721265), (167, 1548025), (475, 544253), (835, 309605), (3173, 81475), (3259, 79325), (4175, 61921), (15865, 16295)]