809440

素因数分解:

$2^5\times 5^1\times {\mathrm{5059}}^1$

素因数の和:5074

約数の個数: 24

約数和(自身を含む): 1912680

約数和(自身を除く): 1103240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 5059, 10118, 20236, 25295, 40472, 50590, 80944, 101180, 161888, 202360, 404720, 809440]

約数ペア:

[(1, 809440), (2, 404720), (4, 202360), (5, 161888), (8, 101180), (10, 80944), (16, 50590), (20, 40472), (32, 25295), (40, 20236), (80, 10118), (160, 5059)]