26788125

素因数分解:

$3^1\times 5^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1$

素因数の和:200

約数の個数: 80

約数和(自身を含む): 55282304

約数和(自身を除く): 28494179

約数列:

[1, 3, 5, 7, 13, 15, 21, 25, 35, 39, 65, 75, 91, 105, 125, 157, 175, 195, 273, 325, 375, 455, 471, 525, 625, 785, 875, 975, 1099, 1365, 1625, 1875, 2041, 2275, 2355, 2625, 3297, 3925, 4375, 4875, 5495, 6123, 6825, 8125, 10205, 11375, 11775, 13125, 14287, 16485, 19625, 24375, 27475, 30615, 34125, 42861, 51025, 56875, 58875, 71435, 82425, 98125, 137375, 153075, 170625, 214305, 255125, 294375, 357175, 412125, 686875, 765375, 1071525, 1275625, 1785875, 2060625, 3826875, 5357625, 8929375, 26788125]

約数ペア:

[(1, 26788125), (3, 8929375), (5, 5357625), (7, 3826875), (13, 2060625), (15, 1785875), (21, 1275625), (25, 1071525), (35, 765375), (39, 686875), (65, 412125), (75, 357175), (91, 294375), (105, 255125), (125, 214305), (157, 170625), (175, 153075), (195, 137375), (273, 98125), (325, 82425), (375, 71435), (455, 58875), (471, 56875), (525, 51025), (625, 42861), (785, 34125), (875, 30615), (975, 27475), (1099, 24375), (1365, 19625), (1625, 16485), (1875, 14287), (2041, 13125), (2275, 11775), (2355, 11375), (2625, 10205), (3297, 8125), (3925, 6825), (4375, 6123), (4875, 5495)]