79480220

素因数分解:

$2^2\times 5^1\times {\mathrm{1949}}^1\times {\mathrm{2039}}^1$

素因数の和:3997

約数の個数: 24

約数和(自身を含む): 167076000

約数和(自身を除く): 87595780

約数列:

[1, 2, 4, 5, 10, 20, 1949, 2039, 3898, 4078, 7796, 8156, 9745, 10195, 19490, 20390, 38980, 40780, 3974011, 7948022, 15896044, 19870055, 39740110, 79480220]

約数ペア:

[(1, 79480220), (2, 39740110), (4, 19870055), (5, 15896044), (10, 7948022), (20, 3974011), (1949, 40780), (2039, 38980), (3898, 20390), (4078, 19490), (7796, 10195), (8156, 9745)]