25870870

素因数分解:

$2^1\times 5^1\times {\mathrm{97}}^1\times {\mathrm{149}}^1\times {\mathrm{179}}^1$

素因数の和:432

約数の個数: 32

約数和(自身を含む): 47628000

約数和(自身を除く): 21757130

約数列:

[1, 2, 5, 10, 97, 149, 179, 194, 298, 358, 485, 745, 895, 970, 1490, 1790, 14453, 17363, 26671, 28906, 34726, 53342, 72265, 86815, 133355, 144530, 173630, 266710, 2587087, 5174174, 12935435, 25870870]

約数ペア:

[(1, 25870870), (2, 12935435), (5, 5174174), (10, 2587087), (97, 266710), (149, 173630), (179, 144530), (194, 133355), (298, 86815), (358, 72265), (485, 53342), (745, 34726), (895, 28906), (970, 26671), (1490, 17363), (1790, 14453)]