2181160

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{1759}}^1$

素因数の和:1801

約数の個数: 32

約数和(自身を含む): 5068800

約数和(自身を除く): 2887640

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 1759, 3518, 7036, 8795, 14072, 17590, 35180, 54529, 70360, 109058, 218116, 272645, 436232, 545290, 1090580, 2181160]

約数ペア:

[(1, 2181160), (2, 1090580), (4, 545290), (5, 436232), (8, 272645), (10, 218116), (20, 109058), (31, 70360), (40, 54529), (62, 35180), (124, 17590), (155, 14072), (248, 8795), (310, 7036), (620, 3518), (1240, 1759)]