100823680

素因数分解:

$2^7\times 5^1\times {\mathrm{263}}^1\times {\mathrm{599}}^1$

素因数の和:881

約数の個数: 64

約数和(自身を含む): 242352000

約数和(自身を除く): 141528320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 263, 320, 526, 599, 640, 1052, 1198, 1315, 2104, 2396, 2630, 2995, 4208, 4792, 5260, 5990, 8416, 9584, 10520, 11980, 16832, 19168, 21040, 23960, 33664, 38336, 42080, 47920, 76672, 84160, 95840, 157537, 168320, 191680, 315074, 383360, 630148, 787685, 1260296, 1575370, 2520592, 3150740, 5041184, 6301480, 10082368, 12602960, 20164736, 25205920, 50411840, 100823680]

約数ペア:

[(1, 100823680), (2, 50411840), (4, 25205920), (5, 20164736), (8, 12602960), (10, 10082368), (16, 6301480), (20, 5041184), (32, 3150740), (40, 2520592), (64, 1575370), (80, 1260296), (128, 787685), (160, 630148), (263, 383360), (320, 315074), (526, 191680), (599, 168320), (640, 157537), (1052, 95840), (1198, 84160), (1315, 76672), (2104, 47920), (2396, 42080), (2630, 38336), (2995, 33664), (4208, 23960), (4792, 21040), (5260, 19168), (5990, 16832), (8416, 11980), (9584, 10520)]