54852520

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{31891}}^1$

素因数の和:31945

約数の個数: 32

約数和(自身を含む): 126292320

約数和(自身を除く): 71439800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 31891, 63782, 127564, 159455, 255128, 318910, 637820, 1275640, 1371313, 2742626, 5485252, 6856565, 10970504, 13713130, 27426260, 54852520]

約数ペア:

[(1, 54852520), (2, 27426260), (4, 13713130), (5, 10970504), (8, 6856565), (10, 5485252), (20, 2742626), (40, 1371313), (43, 1275640), (86, 637820), (172, 318910), (215, 255128), (344, 159455), (430, 127564), (860, 63782), (1720, 31891)]