39244720

素因数分解:

$2^4\times 5^1\times {\mathrm{490559}}^1$

素因数の和:490572

約数の個数: 20

約数和(自身を含む): 91244160

約数和(自身を除く): 51999440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 490559, 981118, 1962236, 2452795, 3924472, 4905590, 7848944, 9811180, 19622360, 39244720]

約数ペア:

[(1, 39244720), (2, 19622360), (4, 9811180), (5, 7848944), (8, 4905590), (10, 3924472), (16, 2452795), (20, 1962236), (40, 981118), (80, 490559)]