27495280

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{18089}}^1$

素因数の和:18121

約数の個数: 40

約数和(自身を含む): 67294800

約数和(自身を除く): 39799520

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 18089, 36178, 72356, 90445, 144712, 180890, 289424, 343691, 361780, 687382, 723560, 1374764, 1447120, 1718455, 2749528, 3436910, 5499056, 6873820, 13747640, 27495280]

約数ペア:

[(1, 27495280), (2, 13747640), (4, 6873820), (5, 5499056), (8, 3436910), (10, 2749528), (16, 1718455), (19, 1447120), (20, 1374764), (38, 723560), (40, 687382), (76, 361780), (80, 343691), (95, 289424), (152, 180890), (190, 144712), (304, 90445), (380, 72356), (760, 36178), (1520, 18089)]