49487920

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{83}}^1\times {\mathrm{257}}^1$

素因数の和:382

約数の個数: 80

約数和(自身を含む): 120929760

約数和(自身を除く): 71441840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 58, 80, 83, 116, 145, 166, 232, 257, 290, 332, 415, 464, 514, 580, 664, 830, 1028, 1160, 1285, 1328, 1660, 2056, 2320, 2407, 2570, 3320, 4112, 4814, 5140, 6640, 7453, 9628, 10280, 12035, 14906, 19256, 20560, 21331, 24070, 29812, 37265, 38512, 42662, 48140, 59624, 74530, 85324, 96280, 106655, 119248, 149060, 170648, 192560, 213310, 298120, 341296, 426620, 596240, 618599, 853240, 1237198, 1706480, 2474396, 3092995, 4948792, 6185990, 9897584, 12371980, 24743960, 49487920]

約数ペア:

[(1, 49487920), (2, 24743960), (4, 12371980), (5, 9897584), (8, 6185990), (10, 4948792), (16, 3092995), (20, 2474396), (29, 1706480), (40, 1237198), (58, 853240), (80, 618599), (83, 596240), (116, 426620), (145, 341296), (166, 298120), (232, 213310), (257, 192560), (290, 170648), (332, 149060), (415, 119248), (464, 106655), (514, 96280), (580, 85324), (664, 74530), (830, 59624), (1028, 48140), (1160, 42662), (1285, 38512), (1328, 37265), (1660, 29812), (2056, 24070), (2320, 21331), (2407, 20560), (2570, 19256), (3320, 14906), (4112, 12035), (4814, 10280), (5140, 9628), (6640, 7453)]