13193800

素因数分解:

$2^3\times 5^2\times {\mathrm{41}}^1\times {\mathrm{1609}}^1$

素因数の和:1666

約数の個数: 48

約数和(自身を含む): 31443300

約数和(自身を除く): 18249500

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 41, 50, 82, 100, 164, 200, 205, 328, 410, 820, 1025, 1609, 1640, 2050, 3218, 4100, 6436, 8045, 8200, 12872, 16090, 32180, 40225, 64360, 65969, 80450, 131938, 160900, 263876, 321800, 329845, 527752, 659690, 1319380, 1649225, 2638760, 3298450, 6596900, 13193800]

約数ペア:

[(1, 13193800), (2, 6596900), (4, 3298450), (5, 2638760), (8, 1649225), (10, 1319380), (20, 659690), (25, 527752), (40, 329845), (41, 321800), (50, 263876), (82, 160900), (100, 131938), (164, 80450), (200, 65969), (205, 64360), (328, 40225), (410, 32180), (820, 16090), (1025, 12872), (1609, 8200), (1640, 8045), (2050, 6436), (3218, 4100)]