12911080

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{3547}}^1$

素因数の和:3578

約数の個数: 64

約数和(自身を含む): 35763840

約数和(自身を除く): 22852760

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 65, 70, 91, 104, 130, 140, 182, 260, 280, 364, 455, 520, 728, 910, 1820, 3547, 3640, 7094, 14188, 17735, 24829, 28376, 35470, 46111, 49658, 70940, 92222, 99316, 124145, 141880, 184444, 198632, 230555, 248290, 322777, 368888, 461110, 496580, 645554, 922220, 993160, 1291108, 1613885, 1844440, 2582216, 3227770, 6455540, 12911080]

約数ペア:

[(1, 12911080), (2, 6455540), (4, 3227770), (5, 2582216), (7, 1844440), (8, 1613885), (10, 1291108), (13, 993160), (14, 922220), (20, 645554), (26, 496580), (28, 461110), (35, 368888), (40, 322777), (52, 248290), (56, 230555), (65, 198632), (70, 184444), (91, 141880), (104, 124145), (130, 99316), (140, 92222), (182, 70940), (260, 49658), (280, 46111), (364, 35470), (455, 28376), (520, 24829), (728, 17735), (910, 14188), (1820, 7094), (3547, 3640)]