18262400

素因数分解:

$2^7\times 5^2\times {\mathrm{13}}^1\times {\mathrm{439}}^1$

素因数の和:476

約数の個数: 96

約数和(自身を含む): 48694800

約数和(自身を除く): 30432400

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 32, 40, 50, 52, 64, 65, 80, 100, 104, 128, 130, 160, 200, 208, 260, 320, 325, 400, 416, 439, 520, 640, 650, 800, 832, 878, 1040, 1300, 1600, 1664, 1756, 2080, 2195, 2600, 3200, 3512, 4160, 4390, 5200, 5707, 7024, 8320, 8780, 10400, 10975, 11414, 14048, 17560, 20800, 21950, 22828, 28096, 28535, 35120, 41600, 43900, 45656, 56192, 57070, 70240, 87800, 91312, 114140, 140480, 142675, 175600, 182624, 228280, 280960, 285350, 351200, 365248, 456560, 570700, 702400, 730496, 913120, 1141400, 1404800, 1826240, 2282800, 3652480, 4565600, 9131200, 18262400]

約数ペア:

[(1, 18262400), (2, 9131200), (4, 4565600), (5, 3652480), (8, 2282800), (10, 1826240), (13, 1404800), (16, 1141400), (20, 913120), (25, 730496), (26, 702400), (32, 570700), (40, 456560), (50, 365248), (52, 351200), (64, 285350), (65, 280960), (80, 228280), (100, 182624), (104, 175600), (128, 142675), (130, 140480), (160, 114140), (200, 91312), (208, 87800), (260, 70240), (320, 57070), (325, 56192), (400, 45656), (416, 43900), (439, 41600), (520, 35120), (640, 28535), (650, 28096), (800, 22828), (832, 21950), (878, 20800), (1040, 17560), (1300, 14048), (1600, 11414), (1664, 10975), (1756, 10400), (2080, 8780), (2195, 8320), (2600, 7024), (3200, 5707), (3512, 5200), (4160, 4390)]