12695740

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{20477}}^1$

素因数の和:20517

約数の個数: 24

約数和(自身を含む): 27522432

約数和(自身を除く): 14826692

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 20477, 40954, 81908, 102385, 204770, 409540, 634787, 1269574, 2539148, 3173935, 6347870, 12695740]

約数ペア:

[(1, 12695740), (2, 6347870), (4, 3173935), (5, 2539148), (10, 1269574), (20, 634787), (31, 409540), (62, 204770), (124, 102385), (155, 81908), (310, 40954), (620, 20477)]