202427980

素因数分解:

$2^2\times 5^1\times {\mathrm{809}}^1\times {\mathrm{12511}}^1$

素因数の和:13329

約数の個数: 24

約数和(自身を含む): 425658240

約数和(自身を除く): 223230260

約数列:

[1, 2, 4, 5, 10, 20, 809, 1618, 3236, 4045, 8090, 12511, 16180, 25022, 50044, 62555, 125110, 250220, 10121399, 20242798, 40485596, 50606995, 101213990, 202427980]

約数ペア:

[(1, 202427980), (2, 101213990), (4, 50606995), (5, 40485596), (10, 20242798), (20, 10121399), (809, 250220), (1618, 125110), (3236, 62555), (4045, 50044), (8090, 25022), (12511, 16180)]