40891780

素因数分解:

$2^2\times 5^1\times {\mathrm{227}}^1\times {\mathrm{9007}}^1$

素因数の和:9243

約数の個数: 24

約数和(自身を含む): 86260608

約数和(自身を除く): 45368828

約数列:

[1, 2, 4, 5, 10, 20, 227, 454, 908, 1135, 2270, 4540, 9007, 18014, 36028, 45035, 90070, 180140, 2044589, 4089178, 8178356, 10222945, 20445890, 40891780]

約数ペア:

[(1, 40891780), (2, 20445890), (4, 10222945), (5, 8178356), (10, 4089178), (20, 2044589), (227, 180140), (454, 90070), (908, 45035), (1135, 36028), (2270, 18014), (4540, 9007)]