25862680

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{20857}}^1$

素因数の和:20899

約数の個数: 32

約数和(自身を含む): 60071040

約数和(自身を除く): 34208360

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 20857, 41714, 83428, 104285, 166856, 208570, 417140, 646567, 834280, 1293134, 2586268, 3232835, 5172536, 6465670, 12931340, 25862680]

約数ペア:

[(1, 25862680), (2, 12931340), (4, 6465670), (5, 5172536), (8, 3232835), (10, 2586268), (20, 1293134), (31, 834280), (40, 646567), (62, 417140), (124, 208570), (155, 166856), (248, 104285), (310, 83428), (620, 41714), (1240, 20857)]