12735625

素因数分解:

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

素因数の和:139

約数の個数: 40

約数和(自身を含む): 18893952

約数和(自身を除く): 6158327

約数列:

[1, 5, 7, 25, 35, 41, 71, 125, 175, 205, 287, 355, 497, 625, 875, 1025, 1435, 1775, 2485, 2911, 4375, 5125, 7175, 8875, 12425, 14555, 20377, 25625, 35875, 44375, 62125, 72775, 101885, 179375, 310625, 363875, 509425, 1819375, 2547125, 12735625]

約数ペア:

[(1, 12735625), (5, 2547125), (7, 1819375), (25, 509425), (35, 363875), (41, 310625), (71, 179375), (125, 101885), (175, 72775), (205, 62125), (287, 44375), (355, 35875), (497, 25625), (625, 20377), (875, 14555), (1025, 12425), (1435, 8875), (1775, 7175), (2485, 5125), (2911, 4375)]