139824880

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{4337}}^1$

素因数の和:4394

約数の個数: 80

約数和(自身を含む): 361476864

約数和(自身を除く): 221651984

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, 1612, 2015, 2480, 3224, 4030, 4337, 6448, 8060, 8674, 16120, 17348, 21685, 32240, 34696, 43370, 56381, 69392, 86740, 112762, 134447, 173480, 225524, 268894, 281905, 346960, 451048, 537788, 563810, 672235, 902096, 1075576, 1127620, 1344470, 1747811, 2151152, 2255240, 2688940, 3495622, 4510480, 5377880, 6991244, 8739055, 10755760, 13982488, 17478110, 27964976, 34956220, 69912440, 139824880]

約数ペア:

[(1, 139824880), (2, 69912440), (4, 34956220), (5, 27964976), (8, 17478110), (10, 13982488), (13, 10755760), (16, 8739055), (20, 6991244), (26, 5377880), (31, 4510480), (40, 3495622), (52, 2688940), (62, 2255240), (65, 2151152), (80, 1747811), (104, 1344470), (124, 1127620), (130, 1075576), (155, 902096), (208, 672235), (248, 563810), (260, 537788), (310, 451048), (403, 346960), (496, 281905), (520, 268894), (620, 225524), (806, 173480), (1040, 134447), (1240, 112762), (1612, 86740), (2015, 69392), (2480, 56381), (3224, 43370), (4030, 34696), (4337, 32240), (6448, 21685), (8060, 17348), (8674, 16120)]