109705040

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{31891}}^1$

素因数の和:31947

約数の個数: 40

約数和(自身を含む): 261004128

約数和(自身を除く): 151299088

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 215, 344, 430, 688, 860, 1720, 3440, 31891, 63782, 127564, 159455, 255128, 318910, 510256, 637820, 1275640, 1371313, 2551280, 2742626, 5485252, 6856565, 10970504, 13713130, 21941008, 27426260, 54852520, 109705040]

約数ペア:

[(1, 109705040), (2, 54852520), (4, 27426260), (5, 21941008), (8, 13713130), (10, 10970504), (16, 6856565), (20, 5485252), (40, 2742626), (43, 2551280), (80, 1371313), (86, 1275640), (172, 637820), (215, 510256), (344, 318910), (430, 255128), (688, 159455), (860, 127564), (1720, 63782), (3440, 31891)]