11963800

素因数分解:

$2^3\times 5^2\times {\mathrm{41}}^1\times {\mathrm{1459}}^1$

素因数の和:1516

約数の個数: 48

約数和(自身を含む): 28513800

約数和(自身を除く): 16550000

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 41, 50, 82, 100, 164, 200, 205, 328, 410, 820, 1025, 1459, 1640, 2050, 2918, 4100, 5836, 7295, 8200, 11672, 14590, 29180, 36475, 58360, 59819, 72950, 119638, 145900, 239276, 291800, 299095, 478552, 598190, 1196380, 1495475, 2392760, 2990950, 5981900, 11963800]

約数ペア:

[(1, 11963800), (2, 5981900), (4, 2990950), (5, 2392760), (8, 1495475), (10, 1196380), (20, 598190), (25, 478552), (40, 299095), (41, 291800), (50, 239276), (82, 145900), (100, 119638), (164, 72950), (200, 59819), (205, 58360), (328, 36475), (410, 29180), (820, 14590), (1025, 11672), (1459, 8200), (1640, 7295), (2050, 5836), (2918, 4100)]