8156120

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{29129}}^1$

素因数の和:29147

約数の個数: 32

約数和(自身を含む): 20973600

約数和(自身を除く): 12817480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 29129, 58258, 116516, 145645, 203903, 233032, 291290, 407806, 582580, 815612, 1019515, 1165160, 1631224, 2039030, 4078060, 8156120]

約数ペア:

[(1, 8156120), (2, 4078060), (4, 2039030), (5, 1631224), (7, 1165160), (8, 1019515), (10, 815612), (14, 582580), (20, 407806), (28, 291290), (35, 233032), (40, 203903), (56, 145645), (70, 116516), (140, 58258), (280, 29129)]