25471250

素因数分解:

$2^1\times 5^4\times 7^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1$

素因数の和:141

約数の個数: 80

約数和(自身を含む): 56681856

約数和(自身を除く): 31210606

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 41, 50, 70, 71, 82, 125, 142, 175, 205, 250, 287, 350, 355, 410, 497, 574, 625, 710, 875, 994, 1025, 1250, 1435, 1750, 1775, 2050, 2485, 2870, 2911, 3550, 4375, 4970, 5125, 5822, 7175, 8750, 8875, 10250, 12425, 14350, 14555, 17750, 20377, 24850, 25625, 29110, 35875, 40754, 44375, 51250, 62125, 71750, 72775, 88750, 101885, 124250, 145550, 179375, 203770, 310625, 358750, 363875, 509425, 621250, 727750, 1018850, 1819375, 2547125, 3638750, 5094250, 12735625, 25471250]

約数ペア:

[(1, 25471250), (2, 12735625), (5, 5094250), (7, 3638750), (10, 2547125), (14, 1819375), (25, 1018850), (35, 727750), (41, 621250), (50, 509425), (70, 363875), (71, 358750), (82, 310625), (125, 203770), (142, 179375), (175, 145550), (205, 124250), (250, 101885), (287, 88750), (350, 72775), (355, 71750), (410, 62125), (497, 51250), (574, 44375), (625, 40754), (710, 35875), (875, 29110), (994, 25625), (1025, 24850), (1250, 20377), (1435, 17750), (1750, 14555), (1775, 14350), (2050, 12425), (2485, 10250), (2870, 8875), (2911, 8750), (3550, 7175), (4375, 5822), (4970, 5125)]