1971029840

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{14923}}^1$

素因数の和:15076

約数の個数: 80

約数和(自身を含む): 4974348288

約数和(自身を除く): 3003318448

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 127, 130, 208, 254, 260, 508, 520, 635, 1016, 1040, 1270, 1651, 2032, 2540, 3302, 5080, 6604, 8255, 10160, 13208, 14923, 16510, 26416, 29846, 33020, 59692, 66040, 74615, 119384, 132080, 149230, 193999, 238768, 298460, 387998, 596920, 775996, 969995, 1193840, 1551992, 1895221, 1939990, 3103984, 3790442, 3879980, 7580884, 7759960, 9476105, 15161768, 15519920, 18952210, 24637873, 30323536, 37904420, 49275746, 75808840, 98551492, 123189365, 151617680, 197102984, 246378730, 394205968, 492757460, 985514920, 1971029840]

約数ペア:

[(1, 1971029840), (2, 985514920), (4, 492757460), (5, 394205968), (8, 246378730), (10, 197102984), (13, 151617680), (16, 123189365), (20, 98551492), (26, 75808840), (40, 49275746), (52, 37904420), (65, 30323536), (80, 24637873), (104, 18952210), (127, 15519920), (130, 15161768), (208, 9476105), (254, 7759960), (260, 7580884), (508, 3879980), (520, 3790442), (635, 3103984), (1016, 1939990), (1040, 1895221), (1270, 1551992), (1651, 1193840), (2032, 969995), (2540, 775996), (3302, 596920), (5080, 387998), (6604, 298460), (8255, 238768), (10160, 193999), (13208, 149230), (14923, 132080), (16510, 119384), (26416, 74615), (29846, 66040), (33020, 59692)]