80037580

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{81671}}^1$

素因数の和:81694

約数の個数: 36

約数和(自身を含む): 195522768

約数和(自身を除く): 115485188

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 81671, 163342, 326684, 408355, 571697, 816710, 1143394, 1633420, 2286788, 2858485, 4001879, 5716970, 8003758, 11433940, 16007516, 20009395, 40018790, 80037580]

約数ペア:

[(1, 80037580), (2, 40018790), (4, 20009395), (5, 16007516), (7, 11433940), (10, 8003758), (14, 5716970), (20, 4001879), (28, 2858485), (35, 2286788), (49, 1633420), (70, 1143394), (98, 816710), (140, 571697), (196, 408355), (245, 326684), (490, 163342), (980, 81671)]