4079560

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{1291}}^1$

素因数の和:1381

約数の個数: 32

約数和(自身を含む): 9302400

約数和(自身を除く): 5222840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 158, 316, 395, 632, 790, 1291, 1580, 2582, 3160, 5164, 6455, 10328, 12910, 25820, 51640, 101989, 203978, 407956, 509945, 815912, 1019890, 2039780, 4079560]

約数ペア:

[(1, 4079560), (2, 2039780), (4, 1019890), (5, 815912), (8, 509945), (10, 407956), (20, 203978), (40, 101989), (79, 51640), (158, 25820), (316, 12910), (395, 10328), (632, 6455), (790, 5164), (1291, 3160), (1580, 2582)]