27087920

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{251}}^1$

素因数の和:354

約数の個数: 80

約数和(自身を含む): 67495680

約数和(自身を除く): 40407760

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 71, 76, 80, 95, 142, 152, 190, 251, 284, 304, 355, 380, 502, 568, 710, 760, 1004, 1136, 1255, 1349, 1420, 1520, 2008, 2510, 2698, 2840, 4016, 4769, 5020, 5396, 5680, 6745, 9538, 10040, 10792, 13490, 17821, 19076, 20080, 21584, 23845, 26980, 35642, 38152, 47690, 53960, 71284, 76304, 89105, 95380, 107920, 142568, 178210, 190760, 285136, 338599, 356420, 381520, 677198, 712840, 1354396, 1425680, 1692995, 2708792, 3385990, 5417584, 6771980, 13543960, 27087920]

約数ペア:

[(1, 27087920), (2, 13543960), (4, 6771980), (5, 5417584), (8, 3385990), (10, 2708792), (16, 1692995), (19, 1425680), (20, 1354396), (38, 712840), (40, 677198), (71, 381520), (76, 356420), (80, 338599), (95, 285136), (142, 190760), (152, 178210), (190, 142568), (251, 107920), (284, 95380), (304, 89105), (355, 76304), (380, 71284), (502, 53960), (568, 47690), (710, 38152), (760, 35642), (1004, 26980), (1136, 23845), (1255, 21584), (1349, 20080), (1420, 19076), (1520, 17821), (2008, 13490), (2510, 10792), (2698, 10040), (2840, 9538), (4016, 6745), (4769, 5680), (5020, 5396)]