53166920

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{30911}}^1$

素因数の和:30965

約数の個数: 32

約数和(自身を含む): 122411520

約数和(自身を除く): 69244600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 30911, 61822, 123644, 154555, 247288, 309110, 618220, 1236440, 1329173, 2658346, 5316692, 6645865, 10633384, 13291730, 26583460, 53166920]

約数ペア:

[(1, 53166920), (2, 26583460), (4, 13291730), (5, 10633384), (8, 6645865), (10, 5316692), (20, 2658346), (40, 1329173), (43, 1236440), (86, 618220), (172, 309110), (215, 247288), (344, 154555), (430, 123644), (860, 61822), (1720, 30911)]