465999280

素因数分解:

$2^4\times 5^1\times {\mathrm{1289}}^1\times {\mathrm{4519}}^1$

素因数の和:5821

約数の個数: 40

約数和(自身を含む): 1084528800

約数和(自身を除く): 618529520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1289, 2578, 4519, 5156, 6445, 9038, 10312, 12890, 18076, 20624, 22595, 25780, 36152, 45190, 51560, 72304, 90380, 103120, 180760, 361520, 5824991, 11649982, 23299964, 29124955, 46599928, 58249910, 93199856, 116499820, 232999640, 465999280]

約数ペア:

[(1, 465999280), (2, 232999640), (4, 116499820), (5, 93199856), (8, 58249910), (10, 46599928), (16, 29124955), (20, 23299964), (40, 11649982), (80, 5824991), (1289, 361520), (2578, 180760), (4519, 103120), (5156, 90380), (6445, 72304), (9038, 51560), (10312, 45190), (12890, 36152), (18076, 25780), (20624, 22595)]