54990340

素因数分解:

$2^2\times 5^1\times {\mathrm{353}}^1\times {\mathrm{7789}}^1$

素因数の和:8151

約数の個数: 24

約数和(自身を含む): 115821720

約数和(自身を除く): 60831380

約数列:

[1, 2, 4, 5, 10, 20, 353, 706, 1412, 1765, 3530, 7060, 7789, 15578, 31156, 38945, 77890, 155780, 2749517, 5499034, 10998068, 13747585, 27495170, 54990340]

約数ペア:

[(1, 54990340), (2, 27495170), (4, 13747585), (5, 10998068), (10, 5499034), (20, 2749517), (353, 155780), (706, 77890), (1412, 38945), (1765, 31156), (3530, 15578), (7060, 7789)]