86823940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{620171}}^1$

素因数の和:620187

約数の個数: 24

約数和(自身を含む): 208377792

約数和(自身を除く): 121553852

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 620171, 1240342, 2480684, 3100855, 4341197, 6201710, 8682394, 12403420, 17364788, 21705985, 43411970, 86823940]

約数ペア:

[(1, 86823940), (2, 43411970), (4, 21705985), (5, 17364788), (7, 12403420), (10, 8682394), (14, 6201710), (20, 4341197), (28, 3100855), (35, 2480684), (70, 1240342), (140, 620171)]