40018790

素因数分解:

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

素因数の和:81692

約数の個数: 24

約数和(自身を含む): 83795472

約数和(自身を除く): 43776682

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 81671, 163342, 408355, 571697, 816710, 1143394, 2858485, 4001879, 5716970, 8003758, 20009395, 40018790]

約数ペア:

[(1, 40018790), (2, 20009395), (5, 8003758), (7, 5716970), (10, 4001879), (14, 2858485), (35, 1143394), (49, 816710), (70, 571697), (98, 408355), (245, 163342), (490, 81671)]