81650240

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{36451}}^1$

素因数の和:36475

約数の個数: 56

約数和(自身を含む): 222211392

約数和(自身を除く): 140561152

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 140, 160, 224, 280, 320, 448, 560, 1120, 2240, 36451, 72902, 145804, 182255, 255157, 291608, 364510, 510314, 583216, 729020, 1020628, 1166432, 1275785, 1458040, 2041256, 2332864, 2551570, 2916080, 4082512, 5103140, 5832160, 8165024, 10206280, 11664320, 16330048, 20412560, 40825120, 81650240]

約数ペア:

[(1, 81650240), (2, 40825120), (4, 20412560), (5, 16330048), (7, 11664320), (8, 10206280), (10, 8165024), (14, 5832160), (16, 5103140), (20, 4082512), (28, 2916080), (32, 2551570), (35, 2332864), (40, 2041256), (56, 1458040), (64, 1275785), (70, 1166432), (80, 1020628), (112, 729020), (140, 583216), (160, 510314), (224, 364510), (280, 291608), (320, 255157), (448, 182255), (560, 145804), (1120, 72902), (2240, 36451)]