80555680

素因数分解:

$2^5\times 5^1\times {\mathrm{89}}^1\times {\mathrm{5657}}^1$

素因数の和:5761

約数の個数: 48

約数和(自身を含む): 192485160

約数和(自身を除く): 111929480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 89, 160, 178, 356, 445, 712, 890, 1424, 1780, 2848, 3560, 5657, 7120, 11314, 14240, 22628, 28285, 45256, 56570, 90512, 113140, 181024, 226280, 452560, 503473, 905120, 1006946, 2013892, 2517365, 4027784, 5034730, 8055568, 10069460, 16111136, 20138920, 40277840, 80555680]

約数ペア:

[(1, 80555680), (2, 40277840), (4, 20138920), (5, 16111136), (8, 10069460), (10, 8055568), (16, 5034730), (20, 4027784), (32, 2517365), (40, 2013892), (80, 1006946), (89, 905120), (160, 503473), (178, 452560), (356, 226280), (445, 181024), (712, 113140), (890, 90512), (1424, 56570), (1780, 45256), (2848, 28285), (3560, 22628), (5657, 14240), (7120, 11314)]