1288975040

素因数分解:

$2^6\times 5^1\times {\mathrm{31}}^1\times {\mathrm{129937}}^1$

素因数の和:129985

約数の個数: 56

約数和(自身を含む): 3168408192

約数和(自身を除く): 1879433152

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 155, 160, 248, 310, 320, 496, 620, 992, 1240, 1984, 2480, 4960, 9920, 129937, 259874, 519748, 649685, 1039496, 1299370, 2078992, 2598740, 4028047, 4157984, 5197480, 8056094, 8315968, 10394960, 16112188, 20140235, 20789920, 32224376, 40280470, 41579840, 64448752, 80560940, 128897504, 161121880, 257795008, 322243760, 644487520, 1288975040]

約数ペア:

[(1, 1288975040), (2, 644487520), (4, 322243760), (5, 257795008), (8, 161121880), (10, 128897504), (16, 80560940), (20, 64448752), (31, 41579840), (32, 40280470), (40, 32224376), (62, 20789920), (64, 20140235), (80, 16112188), (124, 10394960), (155, 8315968), (160, 8056094), (248, 5197480), (310, 4157984), (320, 4028047), (496, 2598740), (620, 2078992), (992, 1299370), (1240, 1039496), (1984, 649685), (2480, 519748), (4960, 259874), (9920, 129937)]