81032560

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{144701}}^1$

素因数の和:144721

約数の個数: 40

約数和(自身を含む): 215316576

約数和(自身を除く): 134284016

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 144701, 289402, 578804, 723505, 1012907, 1157608, 1447010, 2025814, 2315216, 2894020, 4051628, 5064535, 5788040, 8103256, 10129070, 11576080, 16206512, 20258140, 40516280, 81032560]

約数ペア:

[(1, 81032560), (2, 40516280), (4, 20258140), (5, 16206512), (7, 11576080), (8, 10129070), (10, 8103256), (14, 5788040), (16, 5064535), (20, 4051628), (28, 2894020), (35, 2315216), (40, 2025814), (56, 1447010), (70, 1157608), (80, 1012907), (112, 723505), (140, 578804), (280, 289402), (560, 144701)]