80408590

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{179}}^1\times {\mathrm{1549}}^1$

素因数の和:1764

約数の個数: 32

約数和(自身を含む): 150660000

約数和(自身を除く): 70251410

約数列:

[1, 2, 5, 10, 29, 58, 145, 179, 290, 358, 895, 1549, 1790, 3098, 5191, 7745, 10382, 15490, 25955, 44921, 51910, 89842, 224605, 277271, 449210, 554542, 1386355, 2772710, 8040859, 16081718, 40204295, 80408590]

約数ペア:

[(1, 80408590), (2, 40204295), (5, 16081718), (10, 8040859), (29, 2772710), (58, 1386355), (145, 554542), (179, 449210), (290, 277271), (358, 224605), (895, 89842), (1549, 51910), (1790, 44921), (3098, 25955), (5191, 15490), (7745, 10382)]