40814480

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{72883}}^1$

素因数の和:72903

約数の個数: 40

約数和(自身を含む): 108451392

約数和(自身を除く): 67636912

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 72883, 145766, 291532, 364415, 510181, 583064, 728830, 1020362, 1166128, 1457660, 2040724, 2550905, 2915320, 4081448, 5101810, 5830640, 8162896, 10203620, 20407240, 40814480]

約数ペア:

[(1, 40814480), (2, 20407240), (4, 10203620), (5, 8162896), (7, 5830640), (8, 5101810), (10, 4081448), (14, 2915320), (16, 2550905), (20, 2040724), (28, 1457660), (35, 1166128), (40, 1020362), (56, 728830), (70, 583064), (80, 510181), (112, 364415), (140, 291532), (280, 145766), (560, 72883)]