54890920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{196039}}^1$

素因数の和:196057

約数の個数: 32

約数和(自身を含む): 141148800

約数和(自身を除く): 86257880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 196039, 392078, 784156, 980195, 1372273, 1568312, 1960390, 2744546, 3920780, 5489092, 6861365, 7841560, 10978184, 13722730, 27445460, 54890920]

約数ペア:

[(1, 54890920), (2, 27445460), (4, 13722730), (5, 10978184), (7, 7841560), (8, 6861365), (10, 5489092), (14, 3920780), (20, 2744546), (28, 1960390), (35, 1568312), (40, 1372273), (56, 980195), (70, 784156), (140, 392078), (280, 196039)]