2912274520

素因数分解:

$2^3\times 5^1\times {\mathrm{3719}}^1\times {\mathrm{19577}}^1$

素因数の和:23307

約数の個数: 32

約数和(自身を含む): 6554714400

約数和(自身を除く): 3642439880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 3719, 7438, 14876, 18595, 19577, 29752, 37190, 39154, 74380, 78308, 97885, 148760, 156616, 195770, 391540, 783080, 72806863, 145613726, 291227452, 364034315, 582454904, 728068630, 1456137260, 2912274520]

約数ペア:

[(1, 2912274520), (2, 1456137260), (4, 728068630), (5, 582454904), (8, 364034315), (10, 291227452), (20, 145613726), (40, 72806863), (3719, 783080), (7438, 391540), (14876, 195770), (18595, 156616), (19577, 148760), (29752, 97885), (37190, 78308), (39154, 74380)]