64820075

素因数分解:

$5^2\times {\mathrm{29}}^2\times {\mathrm{3083}}^1$

素因数の和:3151

約数の個数: 18

約数和(自身を含む): 83271084

約数和(自身を除く): 18451009

約数列:

[1, 5, 25, 29, 145, 725, 841, 3083, 4205, 15415, 21025, 77075, 89407, 447035, 2235175, 2592803, 12964015, 64820075]

約数ペア:

[(1, 64820075), (5, 12964015), (25, 2592803), (29, 2235175), (145, 447035), (725, 89407), (841, 77075), (3083, 21025), (4205, 15415)]