39886745

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{139}}^1\times {\mathrm{1979}}^1$

素因数の和:2152

約数の個数: 16

約数和(自身を含む): 49896000

約数和(自身を除く): 10009255

約数列:

[1, 5, 29, 139, 145, 695, 1979, 4031, 9895, 20155, 57391, 275081, 286955, 1375405, 7977349, 39886745]

約数ペア:

[(1, 39886745), (5, 7977349), (29, 1375405), (139, 286955), (145, 275081), (695, 57391), (1979, 20155), (4031, 9895)]