509473520

素因数分解:

$2^4\times 5^1\times {\mathrm{197}}^1\times {\mathrm{32327}}^1$

素因数の和:32537

約数の個数: 40

約数和(自身を含む): 1190575584

約数和(自身を除く): 681102064

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 197, 394, 788, 985, 1576, 1970, 3152, 3940, 7880, 15760, 32327, 64654, 129308, 161635, 258616, 323270, 517232, 646540, 1293080, 2586160, 6368419, 12736838, 25473676, 31842095, 50947352, 63684190, 101894704, 127368380, 254736760, 509473520]

約数ペア:

[(1, 509473520), (2, 254736760), (4, 127368380), (5, 101894704), (8, 63684190), (10, 50947352), (16, 31842095), (20, 25473676), (40, 12736838), (80, 6368419), (197, 2586160), (394, 1293080), (788, 646540), (985, 517232), (1576, 323270), (1970, 258616), (3152, 161635), (3940, 129308), (7880, 64654), (15760, 32327)]