80975080

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{193}}^1\times {\mathrm{617}}^1$

素因数の和:838

約数の個数: 64

約数和(自身を含む): 194225040

約数和(自身を除く): 113249960

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 193, 340, 386, 617, 680, 772, 965, 1234, 1544, 1930, 2468, 3085, 3281, 3860, 4936, 6170, 6562, 7720, 10489, 12340, 13124, 16405, 20978, 24680, 26248, 32810, 41956, 52445, 65620, 83912, 104890, 119081, 131240, 209780, 238162, 419560, 476324, 595405, 952648, 1190810, 2024377, 2381620, 4048754, 4763240, 8097508, 10121885, 16195016, 20243770, 40487540, 80975080]

約数ペア:

[(1, 80975080), (2, 40487540), (4, 20243770), (5, 16195016), (8, 10121885), (10, 8097508), (17, 4763240), (20, 4048754), (34, 2381620), (40, 2024377), (68, 1190810), (85, 952648), (136, 595405), (170, 476324), (193, 419560), (340, 238162), (386, 209780), (617, 131240), (680, 119081), (772, 104890), (965, 83912), (1234, 65620), (1544, 52445), (1930, 41956), (2468, 32810), (3085, 26248), (3281, 24680), (3860, 20978), (4936, 16405), (6170, 13124), (6562, 12340), (7720, 10489)]