260026850

素因数分解:

$2^1\times 5^2\times {\mathrm{71}}^1\times {\mathrm{89}}^1\times {\mathrm{823}}^1$

素因数の和:995

約数の個数: 48

約数和(自身を含む): 496575360

約数和(自身を除く): 236548510

約数列:

[1, 2, 5, 10, 25, 50, 71, 89, 142, 178, 355, 445, 710, 823, 890, 1646, 1775, 2225, 3550, 4115, 4450, 6319, 8230, 12638, 20575, 31595, 41150, 58433, 63190, 73247, 116866, 146494, 157975, 292165, 315950, 366235, 584330, 732470, 1460825, 1831175, 2921650, 3662350, 5200537, 10401074, 26002685, 52005370, 130013425, 260026850]

約数ペア:

[(1, 260026850), (2, 130013425), (5, 52005370), (10, 26002685), (25, 10401074), (50, 5200537), (71, 3662350), (89, 2921650), (142, 1831175), (178, 1460825), (355, 732470), (445, 584330), (710, 366235), (823, 315950), (890, 292165), (1646, 157975), (1775, 146494), (2225, 116866), (3550, 73247), (4115, 63190), (4450, 58433), (6319, 41150), (8230, 31595), (12638, 20575)]