40158920

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43651}}^1$

素因数の和:43685

約数の個数: 32

約数和(自身を含む): 94288320

約数和(自身を除く): 54129400

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460, 920, 43651, 87302, 174604, 218255, 349208, 436510, 873020, 1003973, 1746040, 2007946, 4015892, 5019865, 8031784, 10039730, 20079460, 40158920]

約数ペア:

[(1, 40158920), (2, 20079460), (4, 10039730), (5, 8031784), (8, 5019865), (10, 4015892), (20, 2007946), (23, 1746040), (40, 1003973), (46, 873020), (92, 436510), (115, 349208), (184, 218255), (230, 174604), (460, 87302), (920, 43651)]