40348880

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{3527}}^1$

素因数の和:3564

約数の個数: 80

約数和(自身を含む): 110242944

約数和(自身を除く): 69894064

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 20, 22, 26, 40, 44, 52, 55, 65, 80, 88, 104, 110, 130, 143, 176, 208, 220, 260, 286, 440, 520, 572, 715, 880, 1040, 1144, 1430, 2288, 2860, 3527, 5720, 7054, 11440, 14108, 17635, 28216, 35270, 38797, 45851, 56432, 70540, 77594, 91702, 141080, 155188, 183404, 193985, 229255, 282160, 310376, 366808, 387970, 458510, 504361, 620752, 733616, 775940, 917020, 1008722, 1551880, 1834040, 2017444, 2521805, 3103760, 3668080, 4034888, 5043610, 8069776, 10087220, 20174440, 40348880]

約数ペア:

[(1, 40348880), (2, 20174440), (4, 10087220), (5, 8069776), (8, 5043610), (10, 4034888), (11, 3668080), (13, 3103760), (16, 2521805), (20, 2017444), (22, 1834040), (26, 1551880), (40, 1008722), (44, 917020), (52, 775940), (55, 733616), (65, 620752), (80, 504361), (88, 458510), (104, 387970), (110, 366808), (130, 310376), (143, 282160), (176, 229255), (208, 193985), (220, 183404), (260, 155188), (286, 141080), (440, 91702), (520, 77594), (572, 70540), (715, 56432), (880, 45851), (1040, 38797), (1144, 35270), (1430, 28216), (2288, 17635), (2860, 14108), (3527, 11440), (5720, 7054)]