1871286040

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{83689}}^1$

素因数の和:83756

約数の個数: 64

約数和(自身を含む): 4639773600

約数和(自身を除く): 2768487560

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 43, 52, 65, 86, 104, 130, 172, 215, 260, 344, 430, 520, 559, 860, 1118, 1720, 2236, 2795, 4472, 5590, 11180, 22360, 83689, 167378, 334756, 418445, 669512, 836890, 1087957, 1673780, 2175914, 3347560, 3598627, 4351828, 5439785, 7197254, 8703656, 10879570, 14394508, 17993135, 21759140, 28789016, 35986270, 43518280, 46782151, 71972540, 93564302, 143945080, 187128604, 233910755, 374257208, 467821510, 935643020, 1871286040]

約数ペア:

[(1, 1871286040), (2, 935643020), (4, 467821510), (5, 374257208), (8, 233910755), (10, 187128604), (13, 143945080), (20, 93564302), (26, 71972540), (40, 46782151), (43, 43518280), (52, 35986270), (65, 28789016), (86, 21759140), (104, 17993135), (130, 14394508), (172, 10879570), (215, 8703656), (260, 7197254), (344, 5439785), (430, 4351828), (520, 3598627), (559, 3347560), (860, 2175914), (1118, 1673780), (1720, 1087957), (2236, 836890), (2795, 669512), (4472, 418445), (5590, 334756), (11180, 167378), (22360, 83689)]