42782480

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1327}}^1$

素因数の和:1384

約数の個数: 80

約数和(自身を含む): 110659584

約数和(自身を除く): 67877104

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 40, 52, 62, 65, 80, 104, 124, 130, 155, 208, 248, 260, 310, 403, 496, 520, 620, 806, 1040, 1240, 1327, 1612, 2015, 2480, 2654, 3224, 4030, 5308, 6448, 6635, 8060, 10616, 13270, 16120, 17251, 21232, 26540, 32240, 34502, 41137, 53080, 69004, 82274, 86255, 106160, 138008, 164548, 172510, 205685, 276016, 329096, 345020, 411370, 534781, 658192, 690040, 822740, 1069562, 1380080, 1645480, 2139124, 2673905, 3290960, 4278248, 5347810, 8556496, 10695620, 21391240, 42782480]

約数ペア:

[(1, 42782480), (2, 21391240), (4, 10695620), (5, 8556496), (8, 5347810), (10, 4278248), (13, 3290960), (16, 2673905), (20, 2139124), (26, 1645480), (31, 1380080), (40, 1069562), (52, 822740), (62, 690040), (65, 658192), (80, 534781), (104, 411370), (124, 345020), (130, 329096), (155, 276016), (208, 205685), (248, 172510), (260, 164548), (310, 138008), (403, 106160), (496, 86255), (520, 82274), (620, 69004), (806, 53080), (1040, 41137), (1240, 34502), (1327, 32240), (1612, 26540), (2015, 21232), (2480, 17251), (2654, 16120), (3224, 13270), (4030, 10616), (5308, 8060), (6448, 6635)]