12948620

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{15791}}^1$

素因数の和:15841

約数の個数: 24

約数和(自身を含む): 27857088

約数和(自身を除く): 14908468

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 15791, 31582, 63164, 78955, 157910, 315820, 647431, 1294862, 2589724, 3237155, 6474310, 12948620]

約数ペア:

[(1, 12948620), (2, 6474310), (4, 3237155), (5, 2589724), (10, 1294862), (20, 647431), (41, 315820), (82, 157910), (164, 78955), (205, 63164), (410, 31582), (820, 15791)]