39613240

素因数分解:

$2^3\times 5^1\times {\mathrm{990331}}^1$

素因数の和:990342

約数の個数: 16

約数和(自身を含む): 89129880

約数和(自身を除く): 49516640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 990331, 1980662, 3961324, 4951655, 7922648, 9903310, 19806620, 39613240]

約数ペア:

[(1, 39613240), (2, 19806620), (4, 9903310), (5, 7922648), (8, 4951655), (10, 3961324), (20, 1980662), (40, 990331)]