99991120

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{1753}}^1$

素因数の和:1820

約数の個数: 80

約数和(自身を含む): 250555392

約数和(自身を除く): 150564272

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 31, 40, 46, 62, 80, 92, 115, 124, 155, 184, 230, 248, 310, 368, 460, 496, 620, 713, 920, 1240, 1426, 1753, 1840, 2480, 2852, 3506, 3565, 5704, 7012, 7130, 8765, 11408, 14024, 14260, 17530, 28048, 28520, 35060, 40319, 54343, 57040, 70120, 80638, 108686, 140240, 161276, 201595, 217372, 271715, 322552, 403190, 434744, 543430, 645104, 806380, 869488, 1086860, 1249889, 1612760, 2173720, 2499778, 3225520, 4347440, 4999556, 6249445, 9999112, 12498890, 19998224, 24997780, 49995560, 99991120]

約数ペア:

[(1, 99991120), (2, 49995560), (4, 24997780), (5, 19998224), (8, 12498890), (10, 9999112), (16, 6249445), (20, 4999556), (23, 4347440), (31, 3225520), (40, 2499778), (46, 2173720), (62, 1612760), (80, 1249889), (92, 1086860), (115, 869488), (124, 806380), (155, 645104), (184, 543430), (230, 434744), (248, 403190), (310, 322552), (368, 271715), (460, 217372), (496, 201595), (620, 161276), (713, 140240), (920, 108686), (1240, 80638), (1426, 70120), (1753, 57040), (1840, 54343), (2480, 40319), (2852, 35060), (3506, 28520), (3565, 28048), (5704, 17530), (7012, 14260), (7130, 14024), (8765, 11408)]