79666780

素因数分解:

$2^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{39439}}^1$

素因数の和:39549

約数の個数: 24

約数和(自身を含む): 168960960

約数和(自身を除く): 89294180

約数列:

[1, 2, 4, 5, 10, 20, 101, 202, 404, 505, 1010, 2020, 39439, 78878, 157756, 197195, 394390, 788780, 3983339, 7966678, 15933356, 19916695, 39833390, 79666780]

約数ペア:

[(1, 79666780), (2, 39833390), (4, 19916695), (5, 15933356), (10, 7966678), (20, 3983339), (101, 788780), (202, 394390), (404, 197195), (505, 157756), (1010, 78878), (2020, 39439)]