157573720

素因数分解:

$2^3\times 5^1\times {\mathrm{487}}^1\times {\mathrm{8089}}^1$

素因数の和:8587

約数の個数: 32

約数和(自身を含む): 355312800

約数和(自身を除く): 197739080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 487, 974, 1948, 2435, 3896, 4870, 8089, 9740, 16178, 19480, 32356, 40445, 64712, 80890, 161780, 323560, 3939343, 7878686, 15757372, 19696715, 31514744, 39393430, 78786860, 157573720]

約数ペア:

[(1, 157573720), (2, 78786860), (4, 39393430), (5, 31514744), (8, 19696715), (10, 15757372), (20, 7878686), (40, 3939343), (487, 323560), (974, 161780), (1948, 80890), (2435, 64712), (3896, 40445), (4870, 32356), (8089, 19480), (9740, 16178)]