40516280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{144701}}^1$

素因数の和:144719

約数の個数: 32

約数和(自身を含む): 104185440

約数和(自身を除く): 63669160

約数列:

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

約数ペア:

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