8807720

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{7103}}^1$

素因数の和:7145

約数の個数: 32

約数和(自身を含む): 20459520

約数和(自身を除く): 11651800

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 7103, 14206, 28412, 35515, 56824, 71030, 142060, 220193, 284120, 440386, 880772, 1100965, 1761544, 2201930, 4403860, 8807720]

約数ペア:

[(1, 8807720), (2, 4403860), (4, 2201930), (5, 1761544), (8, 1100965), (10, 880772), (20, 440386), (31, 284120), (40, 220193), (62, 142060), (124, 71030), (155, 56824), (248, 35515), (310, 28412), (620, 14206), (1240, 7103)]