26789810

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^2\times {\mathrm{41}}^1\times {\mathrm{181}}^1$

素因数の和:267

約数の個数: 48

約数和(自身を含む): 52422552

約数和(自身を除く): 25632742

約数列:

[1, 2, 5, 10, 19, 38, 41, 82, 95, 181, 190, 205, 361, 362, 410, 722, 779, 905, 1558, 1805, 1810, 3439, 3610, 3895, 6878, 7421, 7790, 14801, 14842, 17195, 29602, 34390, 37105, 65341, 74005, 74210, 130682, 140999, 148010, 281998, 326705, 653410, 704995, 1409990, 2678981, 5357962, 13394905, 26789810]

約数ペア:

[(1, 26789810), (2, 13394905), (5, 5357962), (10, 2678981), (19, 1409990), (38, 704995), (41, 653410), (82, 326705), (95, 281998), (181, 148010), (190, 140999), (205, 130682), (361, 74210), (362, 74005), (410, 65341), (722, 37105), (779, 34390), (905, 29602), (1558, 17195), (1805, 14842), (1810, 14801), (3439, 7790), (3610, 7421), (3895, 6878)]