83691760

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{24329}}^1$

素因数の和:24385

約数の個数: 40

約数和(自身を含む): 199116720

約数和(自身を除く): 115424960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 215, 344, 430, 688, 860, 1720, 3440, 24329, 48658, 97316, 121645, 194632, 243290, 389264, 486580, 973160, 1046147, 1946320, 2092294, 4184588, 5230735, 8369176, 10461470, 16738352, 20922940, 41845880, 83691760]

約数ペア:

[(1, 83691760), (2, 41845880), (4, 20922940), (5, 16738352), (8, 10461470), (10, 8369176), (16, 5230735), (20, 4184588), (40, 2092294), (43, 1946320), (80, 1046147), (86, 973160), (172, 486580), (215, 389264), (344, 243290), (430, 194632), (688, 121645), (860, 97316), (1720, 48658), (3440, 24329)]