7687880

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{2707}}^1$

素因数の和:2789

約数の個数: 32

約数和(自身を含む): 17547840

約数和(自身を除く): 9859960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 1420, 2707, 2840, 5414, 10828, 13535, 21656, 27070, 54140, 108280, 192197, 384394, 768788, 960985, 1537576, 1921970, 3843940, 7687880]

約数ペア:

[(1, 7687880), (2, 3843940), (4, 1921970), (5, 1537576), (8, 960985), (10, 768788), (20, 384394), (40, 192197), (71, 108280), (142, 54140), (284, 27070), (355, 21656), (568, 13535), (710, 10828), (1420, 5414), (2707, 2840)]