28458680

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41851}}^1$

素因数の和:41879

約数の個数: 32

約数和(自身を含む): 67800240

約数和(自身を除く): 39341560

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 41851, 83702, 167404, 209255, 334808, 418510, 711467, 837020, 1422934, 1674040, 2845868, 3557335, 5691736, 7114670, 14229340, 28458680]

約数ペア:

[(1, 28458680), (2, 14229340), (4, 7114670), (5, 5691736), (8, 3557335), (10, 2845868), (17, 1674040), (20, 1422934), (34, 837020), (40, 711467), (68, 418510), (85, 334808), (136, 209255), (170, 167404), (340, 83702), (680, 41851)]