12191800

素因数分解:

$2^3\times 5^2\times {\mathrm{47}}^1\times {\mathrm{1297}}^1$

素因数の和:1360

約数の個数: 48

約数和(自身を含む): 28971360

約数和(自身を除く): 16779560

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 47, 50, 94, 100, 188, 200, 235, 376, 470, 940, 1175, 1297, 1880, 2350, 2594, 4700, 5188, 6485, 9400, 10376, 12970, 25940, 32425, 51880, 60959, 64850, 121918, 129700, 243836, 259400, 304795, 487672, 609590, 1219180, 1523975, 2438360, 3047950, 6095900, 12191800]

約数ペア:

[(1, 12191800), (2, 6095900), (4, 3047950), (5, 2438360), (8, 1523975), (10, 1219180), (20, 609590), (25, 487672), (40, 304795), (47, 259400), (50, 243836), (94, 129700), (100, 121918), (188, 64850), (200, 60959), (235, 51880), (376, 32425), (470, 25940), (940, 12970), (1175, 10376), (1297, 9400), (1880, 6485), (2350, 5188), (2594, 4700)]