71415080

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{1607}}^1$

素因数の和:1730

約数の個数: 64

約数和(自身を含む): 177137280

約数和(自身を除く): 105722200

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 101, 110, 202, 220, 404, 440, 505, 808, 1010, 1111, 1607, 2020, 2222, 3214, 4040, 4444, 5555, 6428, 8035, 8888, 11110, 12856, 16070, 17677, 22220, 32140, 35354, 44440, 64280, 70708, 88385, 141416, 162307, 176770, 324614, 353540, 649228, 707080, 811535, 1298456, 1623070, 1785377, 3246140, 3570754, 6492280, 7141508, 8926885, 14283016, 17853770, 35707540, 71415080]

約数ペア:

[(1, 71415080), (2, 35707540), (4, 17853770), (5, 14283016), (8, 8926885), (10, 7141508), (11, 6492280), (20, 3570754), (22, 3246140), (40, 1785377), (44, 1623070), (55, 1298456), (88, 811535), (101, 707080), (110, 649228), (202, 353540), (220, 324614), (404, 176770), (440, 162307), (505, 141416), (808, 88385), (1010, 70708), (1111, 64280), (1607, 44440), (2020, 35354), (2222, 32140), (3214, 22220), (4040, 17677), (4444, 16070), (5555, 12856), (6428, 11110), (8035, 8888)]