12696740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{1019}}^1$

素因数の和:1124

約数の個数: 48

約数和(自身を含む): 30844800

約数和(自身を除く): 18148060

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 89, 140, 178, 356, 445, 623, 890, 1019, 1246, 1780, 2038, 2492, 3115, 4076, 5095, 6230, 7133, 10190, 12460, 14266, 20380, 28532, 35665, 71330, 90691, 142660, 181382, 362764, 453455, 634837, 906910, 1269674, 1813820, 2539348, 3174185, 6348370, 12696740]

約数ペア:

[(1, 12696740), (2, 6348370), (4, 3174185), (5, 2539348), (7, 1813820), (10, 1269674), (14, 906910), (20, 634837), (28, 453455), (35, 362764), (70, 181382), (89, 142660), (140, 90691), (178, 71330), (356, 35665), (445, 28532), (623, 20380), (890, 14266), (1019, 12460), (1246, 10190), (1780, 7133), (2038, 6230), (2492, 5095), (3115, 4076)]